<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 sacrificed 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 . 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 . In the season 2 finale, he is finally defeated by the Legends and the Black Flash, erasing him from existence . The character was first introduced on The Flash . </Li> <Li> Maisie Richardson - Sellers as Amaya Jiwe / Vixen: Able to magically channel the abilities of animal kingdom thanks to the mysterious Tantu Totem, Amaya is a member of the Justice Society of America in the 1940s, and grandmother of the Vixen 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 Nate Heywood / Steel: A historian from Star City who has 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>

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