Growing up in post-World War II era Arizona, young Sammy Fabelman aspires to become a filmmaker as he reaches adolescence, but soon discovers a shattering family secret and explores how the power of films can help him see the truth.

Michelle Williamsas Mitzi Fabelman
Paul Danoas Burt Fabelman
Seth Rogenas Benny Loewy
Gabriel LaBelleas Sammy Fabelman
Mateo Zoryan Francis-DeFordas Younger Sammy Fabelman
Keeley Karstenas Natalie Fabelman
Alina Braceas Young Natalie Fabelman
Julia Buttersas Reggie Fabelman
Birdie Borriaas Younger Reggie Fabelman
Judd Hirschas Uncle Boris
Janusz Kamiński