Currently available on 1 streaming service.

Legion - watch online: streaming, buy or rent

Currently you are able to watch "Legion" streaming on Disney Plus.

Cast

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