Tom Daly

as Penny - Bartender (uncredited)

as Cowboy (uncredited)

as Dr. Frank Gordon

as Man in Elevator (uncredited)

as Stilwell's Assistant

as Senator

as Barney (uncredited)

as Germ Experiment Victim (uncredited)

as Tourist at Bar

as Sam Julian

as Dirk, a Mutate

as Salesman (uncredited)

as Fireman (uncredited)

as San Francisco Dispatcher (uncredited)

as Donal, a searcher

as Mr. Davalos

as City Clerk (uncredited)

as Cowhand

as Newsman (uncredited)

as Minor Role (uncredited)

as Mike

as Montague Underdunk

as Raymond Chandler