Joshua Jackson as Luke McNamara

Paul Walker as Caleb Mandrake

Hill Harper as Will Beckford

Leslie Bibb as Chloe

Christopher McDonald as Martin Lombard

Steve Harris as Detective Sparrow

William Petersen as Ames Levritt

Craig T. Nelson as Litten Mandrake

David Asman as Jason Pitcairn

Scott Gibson as Travis Wheeler

Nigel Bennett as Dr. Whitney

Andrew Kraulis as McBride

Derek Aasland as Sullivan

Jennifer Melino as J.J.

Noah Dalton Danby as Hugh Mauberson

Mac Fyfe as Laurence Thorne

David Christo as Shawn Packford

Shaw Madson as Chad MacIntosh

Jesse Nilsson as Kent Hodgins

Shawn Mathieson as Jonathan Payne

Steven McCarthy as Sweeney

Matthew G. Taylor as Medoc

Henry Alessandroni as Strain

James Finnerty as Preppy Freshman

Cyprian Lerch as Student in Lunch Line

Dominic Kahn as Regatta Judge

Ken Campbell as Starting Judge

Pedro Salvín as Lodge Butler

Derek Boyes as Assistant District Attorney

Katherine Trowell as Sanctuary Administrator

Connie Buell as Waitress

Stephen Richard as Furniture Mover

Kevin Allen as Sturtevant Security Guard

Paul M. Walker III as Boxing Coach

Jason Knight as Police Techie

Amanda Goundry as Coed in Caleb's Car

Malin Åkerman as Coed in Caleb's Apartment

Sherry Hilliard as College Student (uncredited)

Rob Cohen as College Lecturer (uncredited)

Hakan Coskuner as Skull Member (uncredited)