CRAZY MOVIE MISTAKES! See the mistakes the producers missed when making Step Brothers. Step Brothers is a 2008 American buddy slapstick comedy film starring Will Ferrell and John C. Reilly. The screenplay was written by Will Ferrell and Adam McKay, from a story written by them with Reilly.
It was produced by Jimmy Miller and Judd Apatow, and directed by McKay.
The film was released on July 25, 2008, roughly two years after the same group of men wrote, produced, and starred in another comedy, Talladega Nights.