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