Casey Siemaszko

as Jack Ruby

as Sam Raimo

as Michael McGee

as Blume

as Lester Strickland

as Lt. Greg Sartain

as Josh Thorp

as Bertie Slavkin

as Harry Berman

as Peter Huygens

as Detective Dan Williams

as Billy Ray Pope

as Johnny Sindacco (voice) (uncredited)

as Paul Sabotini

as Harvey Gruenwald

as Young Bobby Bartellemeo

as EPA Official

as Bobby Gastineau

as Alton "Hatch" Hatcher

as Jake Booker

as Billy

as Detective Tarnowski

as Fergus Carroll

as Tanner

as Detective Bobby Zito

as Morgan

as Dr. Goddard / The Breath Taker

as Conan (voice)

as Cash

as Himself

as Michael

as Cal

as Ned Zed

as Curley

as Colin Phipps

as Mike Sawyer

as Hutchinson

as Bart Rainey

as Defense Attorney Shuman

as 3-D

as Mike Lafebb

as Charley Bowdre

as Don Carney

as Jerry Mitchell

as Wildman

as Dakota

as Billy Tessio

as Jonathan

as Andy Grainger

as Jonathan

as 3-D

as Roger Despard

as Jeff

as Aaron Davis

as Doug

as Rick Messina

as Fergus