<P> Series producer was Caroline Norris . Series 1 was directed by Chloe Thomas and Steve Connelly, with all future series directed by Connelly and Dominic Brigstocke . Writers are listed as per credits of each episode . Original music was--except where noted--written by Richie Webb (music) and Dave Cohen (lyrics), with instrumentals by Webb . The songs were not given formal titles; where possible their creators' names for them have been used . </P> <P> The starring troupe over all five series consisted of Mathew Baynton, Simon Farnaby, Martha Howe - Douglas, Jim Howick, Laurence Rickard and Ben Willbond, some combination of whom appear, with very rare exceptions, in every live - action sketch; their voices can also be heard in the animated sketches . Supporting cast was headed by Sarah Hadland, Lawry Lewin and Dominique Moore . </P> <P> Notable guest stars are indicated in the episode in which they appear, or in the case of recurring roles, on first appearance . Several sketches incorporate parodies of other UK pop - culture media and / or personalities; these parody inspirations are likewise indicated on first appearance . </P> <P> In 2015, the series returned with a new cast in a revised format . Episodes centred around the life of one prominent historical figure played by an established comedy actor . It was in 2016 that a seventh series began with just three specials before the full series in 2017 . The three specials marked anniversaries through the year: 400 years since Shakespeare died, the BBCs' Love to Read' campaign and 350 years since the Great Fire of London . There was a slight change in cast where the main stars Jalaal Hartley, Tom Stourton and Jessica Ransom continued with new members . This was the first series where none of the main original cast were present . </P>

How many episodes of the big fat truth are there