Jon Hamm and Dax Shepard both auditioned for Adam ... the arrogant younger brother of Will Ferrell's Brennan Huff, in Adam McKay's comedy. Recalling his audition, Hamm said on Tuesday's episode ...

Details for their characters are being kept under wraps, though Deadline understands they will be playing siblings. Jon Hamm is set to lead the series, based on an original idea by acclaimed ...