<P> These books deal with the adventures of a group of anthropomorphised trains and road vehicles who live on the fictional Island of Sodor . The books were based on stories Wilbert told to entertain his son, Christopher during his recovery from measles . Many of the stories are based on events from Awdry's personal experience . </P> <P> Until 2008, all characters were voiced by the narrator . Voices were given to the characters following the switch to full CGI animation in 2009 . </P> <Table> <Tr> <Th> Actor / Actress </Th> <Th> Region </Th> <Th> Role (s) </Th> <Th> Notes </Th> </Tr> <Tr> <Td> Joseph May </Td> <Td> US </Td> <Td> Thomas </Td> <Td> "The Adventure Begins" onwards </Td> </Tr> <Tr> <Td> John Hasler </Td> <Td> UK </Td> </Tr> <Tr> <Td> US / UK </Td> <Td> Rheneas (series 20 onwards) </Td> <Td> </Td> </Tr> <Tr> <Td> Tim Bain </Td> <Td> Aiden and Madeleine's father </Td> <Td> </Td> </Tr> <Tr> <Td> David Bedella </Td> <Td> Victor, Carlos, The Mayor of Sodor and the Cuban man </Td> <Td> </Td> </Tr> <Tr> <Td> Sanjeev Bhaskar </Td> <Td> Shankar </Td> <Td> </Td> </Tr> <Tr> <Td> Sheena Bhattessa </Td> <Td> Noor Jehan and Charubala </Td> <Td> </Td> </Tr> <Tr> <Td> Jamie Campbell Bower </Td> <Td> Skiff </Td> <Td> </Td> </Tr> <Tr> <Td> Chipo Chung </Td> <Td> Hong - Mei </Td> <Td> </Td> </Tr> <Tr> <Td> Nathan Clarke </Td> <Td> Alfie </Td> <Td> </Td> </Tr> <Tr> <Td> Olivia Colman </Td> <Td> Marion </Td> <Td> </Td> </Tr> <Tr> <Td> Jules de Jongh </Td> <Td> US </Td> <Td> Emily, Mavis (Season 13--16), Lady Hatt, The Duchess of Boxford, Stephen Hatt ("Diesel's Special Delivery"), Bridget Hatt, Bridget Hatt's Friends, Some Children, Little Boy in White and Light Blue Stripes Shirt and Red Shorts, The School Children, Teacher, The Laundry Lady, Little Girl in the Red Dress, The Ginger Haired Boy ("Pop Goes Thomas", "Diesel's Special Delivery", "Emily and Dash", "Percy the Snowman", "Emily's Winter Party Special", and "Pouty James"), The Blonde Haired Boy (Season 15 and Season 18), and The Blonde Haired Girl </Td> <Td> </Td> </Tr> <Tr> <Td> US / UK </Td> <Td> Emily ("4 - D: Bubbling Boilers" and the singing voice for "The Great Race" only), Caitlin ("Engine of the Future" only), and Alicia Botti </Td> <Td> </Td> </Tr> <Tr> <Td> Jonathan Forbes </Td> <Td> Connor </Td> <Td> </Td> </Tr> <Tr> <Td> Teresa Gallagher </Td> <Td> UK </Td> <Td> Emily, Lady Hatt (Season 13, "Day of the Diesels" and Season 15), Mavis (Season 13--16), The Duchess of Boxford, Stephen Hatt ("Diesel's Special Delivery"), Bridget Hatt, Bridget Hatt's friends, the teacher, the laundry lady, little boy in light white and light blue stripes shirt and red shorts, some children, the school children, little girl in the red dress, the blonde - hair girl, and the blonde - hair boy </Td> <Td> </Td> </Tr> <Tr> <Td> US </Td> <Td> A blond - haired girl </Td> <Td> "Very Important Sheep" </Td> </Tr> <Tr> <Td> A blonde - haired boy </Td> <Td> "Very Important Sheep" only </Td> </Tr> <Tr> <Td> UK / US </Td> <Td> Belle, Frieda, Gina, Mavis, Annie, Clarabel, Judy, The Duchess of Boxford ("Percy's Lucky Day" only), Lady Hatt ("The Afternoon Tea Express" only and Season 21 onwards), the teacher (Season 18 only), the ginger - hair boy, the shouting little boy, the lady with the big hat, some passengers, the Knapford Station speaker ("The Adventure Begins"), some children ("The Adventure Begins" onwards), the school children ("Lost Property"), Stephen Hatt, Bridget Hatt, the lady in the blue dress, the barrow fan ("Reds vs. Blues" and "Useful Railway"), Albert's wife ("Thomas the Babysitter" and "Unscheduled Stops"), the lady in spring green dress, the female puppet show entertainer, little girl in the turquoise dress with pink flowers, the lady in the white dress and gray vest, the lady in the white shirt, light brown skirt and hat, the lady in the grayish white shirt, blackish gray skirt, and white pearl necklace, the chubby little boy in dark green shirt and dark gray shorts, the lady in the yellow dress and hat, The Blonde Haired Girl, The Lady in Red and Indigo Hat and White Dress with Indigo lines, Female Passengers, Madeleine, and Madeleine's Mother </Td> <Td> </Td> </Tr> <Tr> <Td> Bob Golding </Td> <Td> Stephen, Sidney (series 17 onwards), Ivan, some dock workers ("Tale of the Brave") and a railway inspector ("Lost Property") </Td> <Td> </Td> </Tr> <Tr> <Td> Mike Grady </Td> <Td> Sir Robert Norramby </Td> <Td> </Td> </Tr> <Tr> <Td> Yvonne Grundy </Td> <Td> Nia </Td> <Td> </Td> </Tr> <Tr> <Td> Rasmus Hardiker </Td> <Td> Bill, Philip and some Troublesome Trucks ("The Fastest Red Engine on Sodor" only) </Td> <Td> </Td> </Tr> <Tr> <Td> UK </Td> <Td> Monty </Td> <Td> </Td> </Tr> <Tr> <Td> William Hope </Td> <Td> US </Td> <Td> Edward, Toby, Stephen Hatt ("Thomas and the Runaway Kite" only), Whiff, Bash, Rocky, Farmer McColl, the Duke of Boxford, the blond - haired boy ("Merry Misty Island" and "The Way She Does It" only), the Maithwaite stationmaster ("Double Trouble" and "Wonky Whistle" only), the man at the fire ("Race to the Rescue"), the Dock Manager and the Wellsworth Station worker </Td> <Td> </Td> </Tr> <Tr> <Td> UK / US </Td> <Td> Iron Bert (series 16 onwards), a railway inspector, a steamworks worker ("Wonky Whistle"), 2 farmhands ("Wonky Whistle"), a workman ("Toad and the Whale"), Passenger, and Farmer McColl ("Philip's Number" only) </Td> <Td> </Td> </Tr> <Tr> <Td> Siu - see Hung </Td> <Td> An An </Td> <Td> </Td> </Tr> <Tr> <Td> Togo Igawa </Td> <Td> Hiro </Td> <Td> </Td> </Tr> <Tr> <Td> Shane Jacobson </Td> <Td> Shane </Td> <Td> </Td> </Tr> <Tr> <Td> Rufus Jones </Td> <Td> Flying Scotsman </Td> <Td> </Td> </Tr> <Tr> <Td> Steven Kynman </Td> <Td> UK </Td> <Td> Porter, Jack and the dock manager ("Tale of the Brave" only) </Td> <Td> </Td> </Tr> <Tr> <Td> US </Td> <Td> Charlie </Td> <Td> "The Great Race" onwards </Td> </Tr> <Tr> <Td> Butch </Td> <Td> Series 17 onwards </Td> </Tr> <Tr> <Td> UK / US </Td> <Td> Duck, Ryan (series 20 onwards), Dart (Season 17 onwards), Paxton ("Blue Mountain Mystery" onwards), Peter Sam, "The Third Slip Coach", a workman (Journey Beyond Sodor), a railway inspector (Season 17) and the bird watcher ("Who's Geoffrey?") </Td> <Td> </Td> </Tr> <Tr> <Td> Michael Legge </Td> <Td> Luke </Td> <Td> </Td> </Tr> <Tr> <Td> Dan Li </Td> <Td> Yong Bao </Td> <Td> (Big World! Big Adventures! - onwards) </Td> </Tr> <Tr> <Td> Windson Liong </Td> <Td> Lin - Yong, Lei, the Male Chinese Breakdown Crane, the Chinese Guard and the Chinese Men </Td> <Td> </Td> </Tr> <Tr> <Td> Genevieve McCarthy </Td> <Td> UK / US </Td> <Td> Aubrey </Td> <Td> </Td> </Tr> <Tr> <Td> Ian McCue </Td> <Td> UK / US </Td> <Td> The Blue Sea Serpent, Tiger Hunter #2 </Td> <Td> </Td> </Tr> <Tr> <Td> David Menkin </Td> <Td> Porter (US; series 17 onwards / UK; "Pouty James" and "Cranky at the End of the Line" only) and Stanley ("The Truth About Toby" only) </Td> <Td> </Td> </Tr> <Tr> <Td> US </Td> <Td> Jack </Td> <Td> </Td> </Tr> <Tr> <Td> Rachael Miller </Td> <Td> UK / US </Td> <Td> Rebecca, Angelique, Isla, The Teacher (Outback Thomas), Passengers (Outback Thomas), The Lady in Chartreuse Dress, and The Lady in Yellow Dress </Td> <Td> </Td> </Tr> <Tr> <Td> Joe Mills </Td> <Td> Douglas, Oliver, Toad, the Welsh bird watcher ("Thomas and the Emergency Cable"), and a Knapford Station yard workman ("Toad and the Whale") </Td> <Td> </Td> </Tr> <Tr> <Td> Lucy Montgomery </Td> <Td> Lexi, Hannah, Carly </Td> <Td>, and Cowgirls </Td> </Tr> <Tr> <Td> Tracy - Ann Oberman </Td> <Td> Daisy </Td> <Td> Series 20 onwards </Td> </Tr> <Tr> <Td> Maggie Ollerenshaw </Td> <Td> Henrietta </Td> <Td> </Td> </Tr> <Tr> <Td> Rebecca O'Mara </Td> <Td> Caitlin and the Second Slip Coach </Td> <Td> </Td> </Tr> <Tr> <Td> Nikhil Parnar </Td> <Td> UK / US </Td> <Td> Rajiv </Td> <Td> </Td> </Tr> <Tr> <Td> Jass Patel </Td> <Td> UK / US </Td> <Td> Concessions Worker </Td> <Td> </Td> </Tr> <Tr> <Td> Nigel Pilkington </Td> <Td> UK </Td> <Td> Percy (Series 19 onwards; excluding "Sodor's Legend of the Lost Treasure"), and Trevor </Td> <Td> </Td> </Tr> <Tr> <Td> UK / US </Td> <Td> A passenger </Td> <Td> </Td> </Tr> <Tr> <Td> Rob Rackstraw </Td> <Td> James (US; "The Adventure Begins" onwards / UK; "Tit for Tat" onwards), Donald (Season 20 onwards), Raul, Axel, Étienne, Flynn (Season 19 onwards), Bradford, The Great Railway Show announcer, some passengers, the man in the blue shirt and light brown hat, The Bird Watcher ("The Railcar and the Coaches"), Fergus Duncan, The Welsh Bird Watcher ("Mike's Whistle"), The Thin Clergyman ("Tit for Tat"), The Red Sea Serpent, and Tiger Hunter #1 </Td> <Td> </Td> </Tr> <Tr> <Td> UK </Td> <Td> Toby </Td> <Td> Season 19 onwards </Td> </Tr> <Tr> <Td> US </Td> <Td> Monty </Td> <Td> </Td> </Tr> <Tr> <Td> Christopher Ragland </Td> <Td> Percy (Season 19 onwards) and Trevor </Td> <Td> </Td> </Tr> <Tr> <Td> US / UK </Td> <Td> The Troublesome Trucks ("The Adventure Begins" onwards) </Td> <Td>, and Cowboys </Td> </Tr> <Tr> <Td> Miranda Raison </Td> <Td> Millie and the Knapford Station speaker </Td> <Td> </Td> </Tr> <Tr> <Td> Kerry Shale </Td> <Td> UK </Td> <Td> Thomas and Spencer </Td> <Td> "Hero of the Rails", originally </Td> </Tr> <Tr> <Td> US </Td> <Td> Henry, Gordon, Dash, Scruff, Harold, Max, Kevin, Sir Topham Hatt ("Hero of the Rails"--Season 18), Sir Lowham Hatt, Mr. Percival, Farmer Trotter, The Maithwaite stationmaster ("Time For a Story" and "A Blooming Mess"), a railway inspector, the photographer (Season 16), the railroad coal inspector, the zoo keeper and some workmen </Td> <Td> </Td> </Tr> <Tr> <Td> UK / US </Td> <Td> Kevin ("Hasty Hannah" only), Diesel (US; series 19 onwards / UK; series 13 onwards),' Arry, some groaning passengers ("Calm Down Caitlin"), the man on the bridge, and Headkeeper Jack </Td> <Td> </Td> </Tr> <Tr> <Td> John Schwab </Td> <Td> Vinnie, Ulli and a Bridlington Diesel </Td> <Td> </Td> </Tr> <Tr> <Td> US </Td> <Td> Stanley </Td> <Td> Series 20 onwards, excluding "Saving Time" </Td> </Tr> <Tr> <Td> Nicola Stapleton </Td> <Td> UK / US </Td> <Td> Rosie </Td> <Td> Season 21 onwards </Td> </Tr> <Tr> <Td> Tom Stourton </Td> <Td> Duncan, Rex, Terence and The Fat Clergyman </Td> <Td> </Td> </Tr> <Tr> <Td> Tim Whitnall </Td> <Td> Timothy, Mike, Jerome, Oliver the Excavator, Reg, the deputy minister and some workmen </Td> <Td> </Td> </Tr> <Tr> <Td> US </Td> <Td> The man in the hat </Td> <Td> "Spencer's VIP" only </Td> </Tr> <Tr> <Td> UK </Td> <Td> Max </Td> <Td> </Td> </Tr> <Tr> <Td> Keith Wickham </Td> <Td> Edward, Henry, Gordon, Whiff, Dash, Harold, The Thin Controller, the railway coal inspector, the man at the fire, the Wellsworth station worker, the Fat Controller's assistant, some workmen, some passengers, Gator's driver, and steamworks workman </Td> <Td> </Td> </Tr> <Tr> <Td> UK / US </Td> <Td> Harvey, Glynn, Salty, Den, Norman, Stafford, Skarloey, Sir Handel, Arlesdale Bert, Bertie, Captain, Sir Topham Hatt / The Fat Controller (UK; "Hero of the Rails" onwards / US; "The Adventure Begins" onwards), Dowager Hatt, Sir Lowham Hatt, Lord Callan, the photographer ("Wild Water Rescue"), a railway inspector, the great composer, the Maron station speaker, the Wellsworth stationmaster, Thomas' guard, the grumpy passenger, Father Christmas, the groundsman, the postman, Gordon's driver ("The Adventure Begins"), James' guard ("The Adventure Begins"), a Knapford station worker ("The Adventure Begins"), some workmen, sometsignalmen, the dock manager ("Who's Geoffrey?" only), a Sodor search & rescue centre worker ("Toad and the Whale"), a policeman ("Sodor's Legend of the Lost Treasure"), a diver ("Sodor's Legend of the Lost Treasure"), The Man in the Hat, some passengers, Albert ("Thomas the Babysitter"), Mr. Bubbles, the man in the sea green shirt and glasses, the Welsh bird watcher ("Sidney Sings and Three Steam Engines Gruff"), one of Dowager Hatt's friends ("Best Engine Ever" and "Sidney Sings"), the museum manager, male puppet show entertainer, the man in the gray shirt and black pants, the Great Railway Show judge, the fat clergyman, the man in the blackish gray shirt and blackish gray pants, Willie the lazy farmer, the man in the black shirt and black pants, Franz, The Man in the Whitish Brown Shirt and Brown Pants, and The Station Announcer </Td> <Td> </Td> </Tr> <Tr> <Td> Robert Wilfort </Td> <Td> Samson and the Great Railway Show judge ("The Great Race") </Td> <Td> </Td> </Tr> <Tr> <Td> Matt Wilkinson </Td> <Td> UK </Td> <Td> Spencer, Stanley, Charlie, Bash, Scruff, Rocky, Cranky, Butch (Season 16 onwards), Kevin, Stephen Hatt ("Thomas and the Runaway Kite"), Farmer McColl, the Duke of Boxford, the photographer (series 16), the Maithwaite stationmaster, Farmer Trotter, the Knapford stationmaster, the bird watcher ("Henry's Good Deeds"), the blond - haired boy ("Merry Misty Island"), the dock manager, a railway inspector, some dock workers, the island inspector, the Sodor search & rescue centre manager, the Blue Mountain Quarry workman, the zoo keeper and the man with the hat </Td> <Td> </Td> </Tr> <Tr> <Td> UK / US </Td> <Td> Ben, Diesel 10, Winston, Rusty, Merrick, Captain Joe, some workmen, and Male Passengers </Td> <Td> </Td> </Tr> <Tr> <Td> Glenn Wrage </Td> <Td> US </Td> <Td> Spencer, Ferdinand, Cranky, the Sodor search & rescue centre manager, Sir Topham Hatt's Assistant, Gator's driver and a Steamworks worker </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Actor / Actress </Th> <Th> Region </Th> <Th> Role (s) </Th> <Th> Notes </Th> </Tr>

Who plays the voice of thomas the tank engine