Young Bela forms a relationship with a sinister entity in her home that looks uncannily like her own mother, drawing her into a terrifying and increasingly dark world.
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Jessica Chastain
Ursula Martin / Other Mommy
Arabella Olivia Clark
Isabela "Bela" Martin
Jay Duplass
Russell "Russ" Martin
Karen Allen
Ruth Martin
Arian Moayed
Frank
Sean Kaufman
Kelvin
Dichen Lachman
Lois Anthony
Adam Silver
Brian
Alec Secăreanu
Ruiss
Millie Wood
Little Girl