Legion Promo: Chapter 7 March 17, 2017 TaylorNetwork no comment on Legion Promo: Chapter 7 Legion, starring Dan Stevens, Rachel Keller, Aubrey Plaza, Bill Irwin, Jeremie Harris, Amber Midthunder, Katie Aselton and Jean Smart, airs Wednesdays at 10 p.m. ET/PT on FX. Share this:TwitterFacebookLinkedInPinterestRedditTumblrLike this:Like Loading...