Leslie Uggams
Blind Al

Karan Soni
Dopinder

Brianna Hildebrand
Negasonic Teenage Warhead

Jack Kesy
Black Tom

Eddie Marsan
Headmaster

Shioli Kutsuna
Yukio

Stefan Kapičić
Colossus (voice)

Randal Reeder
Buck

Nikolai Witschl
Head Orderly Frye

Thayr Harris
Sergei Valishnikov