Step Brothers's cast and crew

Director

Adam McKay

Producers

Judd Apatow

Will Ferrell

Adam McKay

Writers

Will Ferrell

Adam McKay

John C. Reilly

Cast

Will Ferrell Brennan Huff

Mary Steenburgen Nancy Huff

Kathryn Hahn Alice

Adam Scott Derek

Richard Jenkins Dr. Robert Doback

John C. Reilly Dale Doback

Seth Rogen Sporting Goods Manager

Shira Piven Nurse

Wayne Federman Blind Man

Gillian Vigman Pam Gringe

Brian Huskey Interviewer

Adam McKay Man without Glasses

Ian Roberts Male Therapist

Rob Riggle Randy

Jason Davis TJ

Ken Jeong Employment Agent

Horatio Sanz Lead Singer

Jake Szymanski Caterer

Matt Walsh Drunk Corporate Guy

Sandra Rosko Middle School Kid

Henry Silva Kurt Zagon