Michael McKean, Wendi McLendon-Covey, Bill Bellamy, Chris Marquette and Bryan Callen have rounded out the cast for Thinkfactory Films' upcoming comedy Sleeping Around.

Sleeping Around is written and directed by Leslie Greif (Funny Money). Set in the social world of New York's Hamptons rich and playful, two couples test the 10 rules of a happy and healthy open relationship.

Leslie Greif also set to produce, with the help of Herb Nanas, Harry Basil and Vince P. Maggio. Before this addition, the cast included Tammin Sursok, Virginia Williams, Jesse Bradford, Reid Ewing, and Lucila Solá.

Shooting for Sleeping Around has begun in Charlotte, N.C.