Frank

Michael Fassbender

Frank

Domhnall Gleeson

Jon Burroughs

Maggie Gyllenhaal

Clara

Scoot McNairy

Don

François Civil

Baraque

Carla Azar

Nana

Tess Harper

Frank's Mom

Bruce McIntosh

Frank's Dad

Hayley Derryberry

Simone

Lauren Poole

Alice

Moira Brooker

Jon's Mother

Paul Butterworth

Jon's Father

?

Phil Kingston

Radio DJ

?

Billie Traynor

Café Lady

?

Shane O'Brien

Lucas