Cast of Legion

Meet the talented cast of Legion. From main characters to supporting roles, discover the actors who bring this show to life.

Starring: Dan Stevens as David Haller / Legion, Rachel Keller as Sydney ‘Syd’ Barrett, Aubrey Plaza as Lenny Busker, Jeremie Harris as Ptonomy Wallace, Amber Midthunder as Kerry Loudermilk, Bill Irwin as Cary Loudermilk, Hamish Linklater as Clark Debussy, Lauren Tsai as Jia-Yi / Switch, Navid Negahban as Amahl Farouk / Shadow King