I'm Not Here

J.K. Simmons

as

Steve

Sebastian Stan

as

Steve

Maika Monroe

as

Karen

Mandy Moore

as

Mom

Max Greenfield

as

Dad

Iain Armitage

as

Stevie

Harold Perrine...

as

Santana

Jeremy Maguire

as

Trevor

David Wexler

as

Adam

David Koechner

as

Dad's Attorney

Heather Mazur

as

Mom's Attorney

Tony Cummings

as

Judge