Tom Daly

as Penny - Bartender (uncredited)

as Cowboy (uncredited)

as Man in Elevator (uncredited)

as Stilwell's Assistant

as Donal, a searcher

as Dr. Frank Gordon

as Senator

as Barney (uncredited)

as San Francisco Dispatcher (uncredited)

as Germ Experiment Victim (uncredited)

as Cutter (uncredited)

as Newsman (uncredited)

as Sam Julian

as Tourist at Bar

as Salesman (uncredited)

as Dirk, a Mutate

as Fireman (uncredited)

as Cowhand

as City Clerk (uncredited)

as Minor Role (uncredited)