Principal Cast
Michael Shannon
as Richard Kuklinski
Winona Ryder
as Deborah Kuklinski
Ray Liotta
as Roy Demeo
Chris Evans
as Robert Pronge
David Schwimmer
as Josh Rosenthal
James Franco
as Marty
Stephen Dorff
as Joey Kuklinski
Robert Davi
as Leo Marks
John Ventimiglia
as Mickey Scicoli
