John Ripley
Kate Martell
Connie Anderson
Julie Angelino
Dave Millson (as Casey Adams)
Zach Stewart
Vince Angelino
Frank Pace
Greg Barker
Max Martell
Matty Pavelich
Brenda Rollis
Mrs. Downes
Joe Walpo
Police Detective Grant (uncredited)
Alex Sherk (uncredited)
Man Questioned About Matty Pavelich (uncredited)
Man Getting Rubdown (uncredited)
Mr. Werker (uncredited)
Police Lt. Jake Kuppol (uncredited)
Paper Plant Superintendent (uncredited)
Vicki Martell (uncredited)
FBI Agent (uncredited)
Brenda Rollis' Neighbor (uncredited)
Randol (uncredited)
Trainer (uncredited)
Ice-Cream Vendor (uncredited)
Hogarth (uncredited)
Boxing Manager (uncredited)
Ben (uncredited)
Police Stenographer (uncredited)
Man in Car (uncredited)
Narrator / Prof. Wilson (uncredited)