By Margaret Lyons
Updated October 19, 2010 at 02:35 PM EDT

Michaela Watkins has joined the cast of Wanderlust, David Wain’s upcoming comedy, produced by Judd Apatow. The cast also includes Paul Rudd, Jennifer Aniston, Justin Theroux, Malin Akerman, Alan Alda and Ray Liotta. According to Variety, the film “revolves around a couple who leave behind the big city to join a free-wheeling community where the only rule is to be yourself.” Watkins will play Rudd’s sister-in-law.