The film is directed by Adam McKay. John C. Reilly (left), Adam McKay (center) and Will Ferrell (right) on the set of Columbia Pictures' Step Brothers. Brennan Huff (Will Ferrell, left ...

Kathryn Hahn recalls improvising risqué Step Brothers scene: 'That came from the deep recesses of a recovering Catholic' Adam Scott tells Kathryn Hahn he felt like 'such an a--hole' scolding her ...