<Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 18 </Td> <Td_colspan="1"> October 10, 2017 (2017 - 10 - 10) </Td> <Td> April 9, 2018 (2018 - 04 - 09) </Td> <Td> 170 </Td> <Td> 2.24 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> TBA </Td> <Td_colspan="1"> October 22, 2018 (2018 - 10 - 22) </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> </Tr> <Ul> <Li> Victor Garber as Martin Stein / Firestorm: A nuclear physicist focused on transmutation and also half of the superhero Firestorm with Jefferson Jackson . During "Crisis on Earth - X" he sacrifices himself to help the heroes escape Earth - X . Graeme McComb portrays a young Stein in the 1970s, 1980s, and 1990s . The character was first introduced on The Flash . </Li> <Li> Brandon Routh as Ray Palmer / Atom: A scientist, inventor, businessman and former CEO of Palmer Technologies who developed a power - suit that is now capable of size manipulation . The character was first introduced on Arrow . </Li> <Li> Arthur Darvill as Rip Hunter: A roguish time traveler and leader of the team, who hides the strains of being responsible for history itself behind a façade of charm and wit . His goal is to defeat Vandal Savage, his archenemy throughout time, in order to save the world and his family . Aiden Longworth portrays a young Rip Hunter . In the second season, Rip disappears and gives command of the Waverider to the Legends . He later returns, first as a film student in the 1960s who has no recollection of his past life, then as a brainwashed killer working for the Legion and later back to his original self . He remains with the team for a while but departs when he realizes that the Legends no longer need him as their captain . In the third season, he is the founder and leader of the Time Bureau . </Li> <Li> Caity Lotz as Sara Lance / White Canary: A Star City vigilante and former League of Assassins member suffering from rage issues after being resurrected by the mystical Lazarus Pit . In the second season, Sara becomes the leader of the Legends and captain of the Waverider . The character is partially based on the Black Canary and was first introduced on Arrow . </Li> <Li> Franz Drameh as Jefferson "Jax" Jackson / Firestorm: A former Central City high school athlete whose pro career was derailed by an injury and now works as an auto mechanic . He serves as the other half of the superhero Firestorm with Martin Stein . After Stein dies, Jax decides to leave the Waverider and return to the present as he is no longer a metahuman . The producers decided to create Jax as the other half of Firestorm to have him be someone in his early 20s and different from Ronnie's Firestorm, bringing comedy and camaraderie with Stein . The character was first introduced on The Flash . </Li> <Li> Ciara Renée as Kendra Saunders / Hawkgirl: A young woman who is just beginning to learn that she has been repeatedly reincarnated over the centuries . When provoked, her ancient warrior persona manifests itself along with wings that grow out of her back . She chooses to leave the team at the end of the first season . Saunders is also known by her Egyptian name Chay - Ara, and Edith Boardman in the series . Anna Deavere Smith portrays an older Kendra in 1871, known as Cinnamon . The character was first introduced on The Flash . </Li> <Li> Falk Hentschel as Carter Hall / Hawkman: The latest reincarnation of the Egyptian prince Khufu who is fated to reincarnate throughout time along with his soulmate Kendra, with powers similar to hers . A reincarnated version is recruited by Vandal Savage where he is known as Scythian Torvil before remembering his life as Carter Hall . He chooses to leave the team at the end of the first season . Hall is also known by the name Joe Boardman in the series . Hentschel received guest credit in his subsequent appearances in season one after the character's death in "Pilot, Part 2 ." The character was first introduced on The Flash . </Li> <Li> Amy Pemberton (credited as Amy Louise Pemberton since season 3) voices Gideon: The artificial intelligence of the Waverider . Pemberton portrays a physical version of the character in the second season episode, "Land of the Lost" and the third season episode "Here I Go Again". An alternate version of Gideon (voiced by Morena Baccarin) was first introduced in The Flash . </Li> <Li> Dominic Purcell as Mick Rory / Heat Wave: An arsonist, career criminal, and accomplice of Leonard Snart who, in contrast to his partner, uses a heat gun capable of burning almost anything . After being deserted in the past by Snart, he is recruited by the Time Masters and becomes the bounty hunter Chronos, who hunts the Legends, but later rejoins the team . Mitchell Kummen portrays a young Rory . The character was first introduced on The Flash . </Li> <Li> Wentworth Miller as Leonard Snart / Captain Cold: The son of a career criminal who turns to the quick and easy life of crime, and uses a cryonic gun to freeze objects and people on contact . Trestyn Zradicka portrays a young Leo . At the end of the first season, Snart sacrifices himself to save his team . In the second season, the Legion of Doom recruits a past version of Snart from before he joined the team with the promise of averting his future death . Following the Legion's defeat, Mick returns Snart to the exact moment where he was recruited by the Legion, wiping his memories in the process and ensuring that Snart will eventually join the Legends . During the "Crisis on Earth - X" event, a parallel universe version from Earth - X, Leonard "Leo" Snart / Citizen Cold is introduced; Leo temporarily joins the Legends . The character was first introduced on The Flash . </Li> <Li> Matt Letscher as Eobard Thawne / Reverse Flash: A supervillain speedster from the future and the archenemy of the Flash . He is the leader of the Legion of Doom . His goal was to keep himself from being killed by Eddie Thawne back on The Flash . In the season 2 finale, he is defeated by the Legends and the Black Flash, apparently erasing Thawne from existence once again . The character was first introduced on The Flash . </Li> <Li> Maisie Richardson - Sellers as Amaya Jiwe / Vixen: A member of the Justice Society of America in the 1940s who is able to magically channel the abilities of the animal kingdom thanks to the mysterious Tantu Totem . She is the grandmother of Mari McCabe, who is portrayed by Megalyn Echikunwoke in other Arrowverse series . It was originally intended for the McCabe version of Vixen to be used in Legends as well, but Echikunwoke was unable to reprise the role due to previous commitments . </Li> <Li> Nick Zano as Nathaniel Heywood / Steel: A historian from Star City who gains the ability to transform himself into a steel - like form, and is the grandson of Commander Steel, a member of the Justice Society of America . </Li> <Li> Tala Ashe as Zari Adrianna Tomaz: An American Muslim computer hacker from the year 2042 who possesses aerokinesis powers from a mystical amulet . </Li> <Li> Keiynan Lonsdale as Wally West / Kid Flash: A speedster from Keystone City, and later Central City, who was mentored by Barry Allen . He is the son of Joe West and the brother of Iris West, and looking for his place in the world . The character was first introduced on The Flash . He returned to Central City at the end of The Flash episode "We Are The Flash". </Li> </Ul> <Li> Victor Garber as Martin Stein / Firestorm: A nuclear physicist focused on transmutation and also half of the superhero Firestorm with Jefferson Jackson . During "Crisis on Earth - X" he sacrifices himself to help the heroes escape Earth - X . Graeme McComb portrays a young Stein in the 1970s, 1980s, and 1990s . The character was first introduced on The Flash . </Li>

Cast of dc legends of tomorrow season 3 episode 4
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