There is something new to fear.
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
Dani Moonstar
Charlie Heaton
Samuel Guthrie
Maisie Williams
Rahne Sinclair
Henrique Zaga
Roberto da Costa
Anya Taylor-Joy
Illyana Rasputin
Alice Braga
Dr. Reyes
Adam Beach
Dani's Father
Happy Anderson
Reverend Craig
Dustin Ceithamer
Smiling Man
Marilyn Manson
Smiling Man (voice)
Thomas Kee
Sam's Father
Colbi Gannett
Young Illyana
