Paul Napier

as Dr. Butler

as Head #4

as Mr. Sarpa

as Kinnick

as Concierge

as Reynolds

as Nat Rogers

as Philip Gates

as Dr. Harris

as Senator Billie Henderson

as TV Producer

as Sam Roberts

as Correspondent

as Mr. Blount

as Eddy

as Detective Henderson

as Joseph Yardley

as Technician (uncredited)

as Herb Steinberg

as George

as Ranger Sutton

as Phone Man

as Mr. Smith