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 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
	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