"Killers From Space" - 1954

An atomic scientist claims he was abducted by aliens after being injured in a plane crash.

Killers from Space (also known as The Man Who Saved the Earth) is a 1954 American independent science fiction film produced and directed by W. Lee Wilder, and starring Peter Graves, Barbara Bestar, Frank Gerstle, James Seay, and Steve Pendleton.[2] Shot in black-and-white, the film originated as a commissioned screenplay from Wilder's son Myles Wilder and their regular collaborator William Raynor.