Grandma's Boy

Allen Covert

Alex

Doris Roberts

Grandma Lilly

Linda Cardellini

Samantha

Joel David Moore

J.P.

Shirley Knight

Bea

Shirley Jones

Grace

Nick Swardson

Jeff

Jonah Hill

Barry

Peter Dante

Dante

Kelvin Yu

Kane

Kevin Nealon

Mr. Cheezle

Rob Schneider

Yuri