Philip Winchester as Marcus

Tim Draxl as Justin

Lacey Chabert as Becky

Abigail Spencer as Gwen

Kelly Overton as Ann

Amy Aquino as Detective Curwen

Tony Hale as Ben

Kevin Kilner as Greg

Aidan Mitchell as Young Marcus

Michael Badalucco as Derek

Beth Grant as Evelyn

Alexandra Paul as Roxana

Kirsten Vangsness as Madge

Allan Wasserman as Dr. Schwarz

Patrick Labyorteaux as Rob

Vanessa Evigan as Kelly

Kathryn Fiore as Lisa

Bellamy Young as Olivia

Shanna Collins as Jennifer

Marcelle Larice as Carissa

Christopher Darga as Officer Etling

Larry Clarke as Officer Knachel

Robert Joseph as Officer Cooley

Joe Nuñez as Mr. Mather

Bunny Levine as Rachel

Natalie DuBose as Keri

Kevin Michael Curran as David

Sean Gabriel Moore as Little Justin

Joy Bisco as Exotic Woman

Nancy Sexton as Tall Woman

Jessica Martine as Club Woman

Jamie Tisdale as Club Woman

Joshua Lee as Bartender

Christiann Castellanos as Babysitter

Jacqueline Hickel as Babysitter

Syr Law as Babysitter

Brenda Schmid as Babysitter

Jade Tailor as Babysitter

Julia Faye West as Club Patron (uncredited)

Cassie Fliegel as Surprise Party Ex-Girlfriend