Ben Stiller

as Josh Schrebnick

Born 11/30/1965, age

Naomi Watts

as Cornelia Schrebnick

Born 09/28/1968, age

Adam Driver

as Jamie Massey

Born 11/19/1983, age

Amanda Seyfried

as Darby Massey

Born 12/03/1985, age

Charles Grodin

as Leslie Breitbart

Born 04/21/1935

Died 05/18/2021, age

Adam Horovitz

as Fletcher

Born 10/31/1966, age

Maria Dizzia

as Marina

Born 12/29/1974, age

Brady Corbet

as Kent Arlington

Born 08/17/1988, age

James Saito

as Dr. Nagato

Born 03/06/1955, age

Guy Boyd

as Bar Patron

Born 04/15/1943, age

Peter Bogdanovich

as Speaker

Born 07/30/1939

Died 01/06/2022, age

Greta Lee

as Sundance Interviewer (voice)

Born 03/07/1983, age