An Air Force captain inadvertently volunteers to make the first manned flight around the moon. He immediately falls under the watchful protection of various security agencies, but despite all their precautions, a young woman who may be an enemy spy succeeds in making contact with the captain. The captain eventually discovers that this woman is not an enemy but rather a friend from a very unusual source.
Tom Tryon
as Capt. Richmond Talbot
Brian Keith
as Maj. Gen. John M. Vanneman
Edmond O'Brien
as McClosky aka 'Mac'
Dany Saval
as Lyrae
Bob Sweeney
as Sen. Henry McGuire
Tommy Kirk
as Walter Talbot
Kent Smith
as Secretary of the Air Force
Sarah Selby
as Mrs. Talbot
Nancy Kulp
as Nutritionist Officer
Bert Remsen
as Brennan
Harp McGuire
as Federal Security Driver
Simon Scott
as Medical Officer
