Step Brothers

Will Ferrell

Brennan Huff

John C. Reilly

Dale Doback

Richard Jenkins

Dr. Robert Doback

Mary Steenburgen

Nancy Huff

Adam Scott

Derek Huff

Kathryn Hahn

Alice

Andrea Savage

Denise

Rob Riggle

Randy

Lurie Poston

Tommy

Elizabeth Yozamp

Tiffany

Logan Manus

Chris Gardoki

Travis T. Flory

Redheaded Kid

Lili Rose McKay

7-Year-Old Girl

Shira Piven

Nurse

Seth Morris

Doctor

Wayne Federman

Blind Man

Maria Quiban

TV Anchor

Danielle Schneider

Receptionist