Five young mutants, just discovering their abilities while held in a secret facility against their will, fight to escape their past sins and save themselves.
Blu Hunt
as Dani Moonstar
Maisie Williams
as Rahne Sinclair
Anya Taylor-Joy
as Illyana Rasputin
Charlie Heaton
as Samuel Guthrie
Henry Zaga
as Roberto da Costa
Alice Braga
as Dr. Reyes
Adam Beach
as Dani's Father
Happy Anderson
as Reverend Craig
Dustin Ceithamer
as Smiling Man
Marilyn Manson
as Smiling Man (voice)
Thomas Kee
as Sam's Father
Colbi Gannett
as Young Illyana
