Jason Biggs as Phil Campbell

Joel David Moore as Grant Cogswell

Lauren Ambrose as Emily Bowen

Cobie Smulders as Clair

Tom Arnold as Tommy

Todd Stashwick as Nick Ricochet

D.C. Pierson as Wayne

Emily Bergl as Theresa Glendon

Christopher McDonald as Jim Tripp

Cedric the Entertainer as Richard McIver

Michael Nardelli as Willis

Noah Harpster as Marvin

Sean Nelson as Musician

Joe Mandragona as Kevin

Connie Thompson as Connie Thompson

Sarah Harlett as Receptionist

Claire Vardiel as Augusta D'Amico

Branden Romans as Genzlinger

Russell Hodgkinson as Pernell Alden

Garr Godfrey as Second Questioner

Barbara Deering as Moderator

Nik Doner as Doug

Amy Frear as Lisa

John Ulman as Agent Goecker

Anthony L. Fuller Jr. as Agent Sikora

Rodney Sherwood as Tate Austin

Rachel Pate as Suit

Todd Licea as Reporter #2

John Misner as Reporter #5

Elizabeth Rhoades as Campaign Supporter

M.J. Sieber as Reporter #1

Brent Stiefel as Volunteer

Julian Gavilanes as Julian (uncredited)