Robert Walden

as Dr. Irving Stone

as Glenn Newman

as Dr. Kubelkoff

as Sheriff Joe Calabro

as Herman Lasky (aka Chad Cox)

as Stephen Block

as Senator Rossiter

as William Dorsey

as Ian Tyson

as Detective Williams

as Gen. Tom Brockton

as Diller

as Carl Regis

as Tommy

as Norman

as Self

as Robert Lane

as Roger Bundy

as Finn (archive footage)

as Lt. Antonelli

as Joe Waters

as J. Robert Oppenheimer

as Manager

as Elliot Whitter

as David Blume

as Jeff Thatcher

as Joe Rossi

as Robert Walden (uncredited)

as Brian O'Donnel

as Brice Mack

as Donald Segretti

as Adam Richette

as Marty Simon

as Vogel

as Eddie Chiario

as Checker

as Barry Silverstein

as Tom Corman

as Frank

as Dick Dubin

as Keller

as Mr Fisher

as Finn

as Dr. Janeway

as Hubert 'Gimp' Franklin

as Sperm

as Murdock

as Dr. Brubaker

as Billy Fine

as Winslow Smith

as Looter

as Fred Barker

as Dr. Corelli