Maisie Williams: Rahne Sinclair

Anya Taylor-Joy: Illyana Rasputin

Charlie Heaton: Sam Guthrie

Alice Braga: Dr. Reyes

Blu Hunt: Dani Moonstar

Henry Zaga: Roberto da Costa

Adam Beach: Dani's Father

Thomas Kee: Sam's Father

Colbi Gannett: Young Illyana

Happy Anderson: Reverend Craig

Dustin Ceithamer: Smiling Man

Jacinto Vega SpiritWolf: Frozen Cheyenne

Chuck: Wolf