Carl Kolchak
Gail Foster
Tony Vincenzo
Bernie Jenks
Sheriff Warren A. Butcher
Police Chief Ed Masterson
District Attorney Tom Paine
Mickey Crawford
Fred Hurley
Dr. Robert Makurji
Dr. John O'Brien
Janos Skorzeny
Las Vegas Policeman (uncredited)
Mrs. Brandon (uncredited)
Intern (uncredited)
Acting
