Commando Cody, 'Sky Marshal of the Universe', works with American scientists Joan Gilbert and Ted Richards in the development of a flying suit and a rocket to the Moon. When the nation's defences are being sabotaged and destroyed, Cody learns that an atomic-gun is being used and that the men on the moon are the culprits.

• Republic Pictures
• George D. Wallace
• Aline Towne
• Roy Barcroft
• William Bakewell
• Peter Brocco
• Clayton Moore
• Robert Stevenson
• Don Walters