Josh Hartnett
Slevin
Morgan Freeman
The Boss
Ben Kingsley
The Rabbi
Lucy Liu
Lindsey
Bruce Willis
Mr. Goodkat
Stanley Tucci
Det. Brikowski
Mykelti Williamson
Sloe
Peter Outerbridge
Dumbrowski
Michael Rubenfeld
Yitzchok
Kevin Chamberlin
Marty
Dorian Missick
Elvis
Scott Gibson
Max
Corey Stoll
Saul
Robert Forster
Murphy
Sam Jaeger
Nick Fisher
Danny Aiello
Roth
Jennifer Miller
Slevin's Girlfriend
Janet Lane
Gloria (Blondie)
Oliver Davis
Henry
Sebastien Roberts
The Guy
Darren Marsman
Slim Hopkins
Gerry Mendicino
Benny Begin
Matthew G. Taylor
Featured (uncredited)
Shira Leigh
Hottie
Daniel Kash
Bodyguard #1
Dmitry Chepovetsky
Bodyguard #2