Rocketship X-M

Lloyd Bridges

Colonel Floyd Graham

Osa Massen

Dr. Lisa Van Horn

John Emery

Dr. Karl Eckstrom

Noah Beery Jr.

Major William Corrigan

Hugh O'Brian

Harry Chamberlain

Morris Ankrum

Dr. Ralph Fleming

Patrick Aherne

Reporter #1

Sherry Moreland

Martian girl

J

John Dutra

Physician

Kathy Marlowe

Reporter

Kurt Neumann

Writer

M

Murray Lerner

Executive Producer