Jim Field Smith Director Jay Baruchel Kirk Actor Alice Eve Molly Actor T.J. Miller Stainer Actor Mike Vogel Jack Actor Nate Torrence Devon Actor Krysten Ritter Patty Actor Geoff Stults Cam Actor Lindsay Sloane Marnie Actor Debra Jo Rupp Mrs. Kettner Actor Adam LeFevre Mr. Kettner Actor Kim Shaw Katie Actor Sharon Maugham Mrs. McCleish Actor Trevor Eve Mr. McCleish Actor Sean Anders Screenwriter John Morris Screenwriter Jimmy Miller Producer David B. Householter Producer George Gatins Executive Producer Jim Denault Cinematographer Dan Schalk Film Editing Michael Andrews Original Music Clayton Hartley Production Design Jim Gloster Art Director Casey Hallenbeck Set Decoration Molly Maginnis Costume Design Allison Jones Casting