
Plot
Brennan Huff and Dale Doback might be grown men. But that doesn't stop them from living at home and turning into jealous, competitive stepbrothers when their single parents marry. Brennan's constant competition with Dale strains his mom's marriage to Dale's dad, leaving everyone to wonder whether they'll ever see eye to eye.
Trailer
Cast

Will Ferrell
Brennan Huff

John C. Reilly
Dale Doback

Richard Jenkins
Dr. Robert Doback

Mary Steenburgen
Nancy Huff

Adam Scott
Derek

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

Gillian Vigman
Pam Gringe

Brian Huskey
Interviewer

Adam McKay
Man without Glasses

Seth Rogen
Sporting Goods Manager

Chris Henchy
First Homebuyer

Mary Catherine Hamelin
First Homebuyer

Ian Roberts
Male Therapist

Erica Vittina Phillips
Second Homebuyer

Phil LaMarr
Second Homebuyer

Jason Davis
TJ

Paula Killen
Rental Agent

Ken Jeong
Employment Agent

Horatio Sanz
Lead Singer

Kyle Felts
Wine Mixer Heckler

Jake Szymanski
Caterer

Matt Walsh
Drunk Corporate Guy

Dmitri Schuyler-Linch
6-Year-Old Derek

Bryce Hurless
9-Year-Old Brennan

Brent White
Therapy Patient

Denise Austin
Herself

John D. Crawford
Bekins Mover