Other Mommy
October 9, 2026
Overview
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.
Cast and crew
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Rob Savage
Director
Jessica Chastain
Mommy
Jay Duplass
Daddo
Arabella Olivia Clark
Bela
Karen Allen
Grandma Ruth
Arian Moayed
Uncle Frank
Dichen Lachman
Lois Anthony
Sean Kaufman
Kelvin
Adam Silver
Brian
Alec Secăreanu
Ruiss
MW
Millie Wood
Little Girl
Travis Nelson
Tony
Carrie Dimaculangan
Callie
EB
Erin Birgy
Erin
Hayley Spelman
Other Mommy (Creature)
RAO
Rosie Anne O'Gorman
Tube Kid 1
AN
Alejandro Nieves
Tube Kid 2
Jessica Pennington
Additional Creature Voices (voice)
EO
Ellen O'Callaghan
Bela Double 1
SP
Summer Patterson
Bela Double 2
TK
Tyrone Kearns
Diner Parent (uncredited)
EJO
Eleanor Jordan O'Farrell
Party Guest (uncredited)