Adam Scott felt shocked by Step Brothers casting, but why? Adam Scott has recalled being cast in Step Brothers, the 2008 comedy film. 1 May 2026 Adam Scott was surprised to land a part in Step Brothers. Adam Scott starred in the 2008 comedy The 53-year-old actor starred alongside Will Ferrell and John C. Reilly in Step Brothers, the 2008 comedy film directed by Adam McKay, but the actor admits that he never expected to be cast in the movie. During an appearance on the Big Bro With Kid Cudi podcast, Adam explained: "Man, that was so exciting getting Step Brothers. Oh my god.