Paul Bettany as Frank

Sophia Lillis as Beth

Peter Macdissi as Wally

Steve Zahn as Mike

Stephen Root as Daddy Mac

Judy Greer as Kitty

Margo Martindale as Mammaw

Lois Smith as Aunt Butch

Jane McNeill as Neva

Caity Brewer as Marcia

Cole Doman as 16-year-old Frank

Michael Perez as 16-year-old Sam

Hannah Black as Janis

Banks Repeta as 11-year-old Bullet

Burgess Jenkins as Beau

Colton Ryan as Bruce

Britt Rentschler as Charlotte

Christopher Speed as Bernard

Voltaire Colin Council as Mechanic

Zach Strum as Tee Dub

Veronica Russell as Pedestrian