Jason Alexander has joined ABC's untitled cop comedy pilot. The show follows the eccentric characters in a police precinct. The Hollywood Reporter says Alexander will play the internal affairs superintendent responsible for tracking down "bad apples." Also cast in the pilot are Sarah Lafleur and Jillian Armenante as homicide detectives who are partnered.

Jud Tylor has come aboard CW's comedy pilot Dash 4 Cash; it's set behind the scenes of a racing TV reality show. Tylor will play a contestant who is a churchgoer and do-gooder.

Wayne Wilderson has joined ABC's comedy pilot The Thick of It, which follows the workers in the office of a low-level congressman (John Michael Higgins); Wilderson will play a smart and ambitious political blogger.