Colossal

Anne Hathaway

Gloria

Jason Sudeikis

Oscar

Austin Stowell

Joel

Tim Blake Nelson

Garth

Dan Stevens

Tim

Hannah Cheramy

Young Gloria

Nathan Ellison

Young Oscar

Sarah Surh

Mother

Haeun Hannah Cho

Little Girl

Joe Costa

Old Man

Melissa M. Montgomery

Waitress

Christine Lee

Seoul Waitress