Dr. Chris Leeder
Robert Cameron
Dr. Bob Dart (as Barney Bosnick)
Jack
Ray
Reynaldo aka Numero Uno
Mr. Bennett
Peter Harp
Merv (as Barney Bossick)
Mr. Gallo (as Barney Bossick)
Chessy's Client
Police Lt. James Mallory
Doctor (archive footage) (uncredited)
Thug With Spike / Others (uncredited)