as Dr. Frank Gordon
as Donal, a searcher
as Sam Julian
as Man in Elevator (uncredited)
as San Francisco Dispatcher (uncredited)
as Penny - Bartender (uncredited)
as Fireman (uncredited)
as Cowhand
as Mike
as Minor Role (uncredited)
as Germ Experiment Victim (uncredited)
as Salesman (uncredited)
as Cowboy (uncredited)
as Montague Underdunk
as Tourist at Bar
