Patton Oswalt Joins Justified in Season 4

Comedian Patton Oswalt has joined the cast of Justifiedfor Season 4, TVGuide.com has confirmed.

Oswalt will play the recurring role of Bob Sweeney, a constable who went to school with Deputy U.S. Marshal Raylan Givens (Timothy Olyphant), according to TV Line, which first reported the news. Raylan will enlist Bob to keep an eye on Raylan's father's house.

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Oswalt's previous credits include roles on The King of Queens, Two and a Half Men and The United States of Tara.

Justified will return in early 2013.