Katie Aselton Joins Growing Ensemble For FX’s Legion

2016 Film Independent Spirit Awards - Arrivals

Just when you thought FX had all but wrapped up its casting process for X-Men TV drama Legion, today brings news that Noah Hawley’s standalone series has added Katie Aselton to its star-studded ensemble.

That’s according to Entertainment Weekly, revealing that Aselton – best known for her role on fellow FX drama The League – is on board to play the part of Amy, older sister to Dan Stevens’ mercurial lead, David Haller. Indeed, Stevens’ troubled character is essentially Legion‘s anchor; one who is billed as a troubled “Omega-level mutant” who has “been in and out of psychiatric hospitals for years. But after a strange encounter with a fellow patient, he’s confronted with the possibility that the voices he hears and the visions he sees might be real.”

It proves to be a trying experience for Aselton’s sibling character, too, who struggles to remain positive during David’s spells in the pysch ward. In fact, fans of the source material will know that Haller is the son of mutant head honcho Professor Charles Xavier, though Legion is poised to set itself apart from Fox’s ongoing film franchise.

Taking up the mantle of the eternal optimist is Lenny (Aubrey Plaza), friend to David and recovering drug addict, while Jean Smart and Rachel Keller are attached to the roles of Melanie and Syd, respectively. Jeremie Harris and Amber Midthunder round out the primary cast.

Noah Hawley will gather his ensemble later this month when Legion will step before the cameras ahead of a premiere later in 2016.