Newspaper reporter Tim O'Hara finds a crashed alien spaceship that contains one live alien. Not wanting to be discovered by the authorities, the Martian assumes the identity of Tim's Uncle Martin and begins to repair his spaceship so that he can return to Mars.
Bill Bixby
Tim O'Hara
Ray Walston
Uncle Martin
Alan Hewitt
Det. Bill Brennan
Pamela Britton
Mrs. Lorelei Brown
