Download Killers from Space movie, 1954

Atomic scientist/pilot Doug Martin is missing after his plane crashes on an reconnaissance mission after a nuclear test. Miraculously appearing unhurt at the base later, he is given sodium amethol, but authorities are skeptical of his story that he was captured by aliens determined to conquer the Earth with giant monsters and insects. Martin vows to use existing technology to destroy them.

Cast

Peter Graves	(Dr. Doug Paul Martin)
James Seay	(Colonel Banks)
Steve Pendleton	(Briggs)
Frank Gerstle	(Dr. Curt Kruger (as Frank Gerstel))
John Frederick	(Deneb Tala (as John Merrick))
Barbara Bestar	(Ellen Martin)
Shepard Menken	(Major Clift (as Shep Menken))
Jack Daly	(Power House Guard)
Ron Kennedy	(Sentry - Sgt. Powers)

Ben Welden	(Pilot - Tar Baby 2)
Burt Wenland	(Sergeant Bandero)
Lester Dorr	(Station Attendant)
Robert Roark	(Guard)
Ruth Bennett	(Secretary - Miss Vincent)
Mark Scott	(Narrator (voice))
Roy Engel	(First Police Dispatcher (uncredited))
Coleman Francis	(Guy in power plant who answers the...)