As the family sings sweet child o mine derek.
Step brothers cast derek.
He was portrayed by adam scott.
He is the successful biological younger brother of protagonist brennan huff stepbrother of dale doback and husband of alice.
Step brothers is a 2008 american comedy film directed by adam mckay produced by jimmy miller and judd apatow and written by will ferrell and mckay from a story by ferrell mckay and john c.
Cast will ferrell brennan huff executive producer screen story screenwriter john c.
Step brothers 2008 adam scott as derek.
Robert doback adam scott derek kathryn hahn alice andrea savage denise lurie poston tommy elizabeth yozamp tiffany logan manus chris gardoki travis flory redheaded kid lili mckay.
All right alice let s go.
Step brothers 2008 cast and crew credits including actors actresses directors writers and more.
Reilly dale doback screen story mary steenburgen nancy huff richard jenkins dr.