In 1881 Algeria, an American soldier and a French aristocrat are about to have a duel over a woman when a comet hurtling past the Earth draws them into its gravitational pull. The men find themselves transported to the moon, where they discover a prehistoric civilization inhabited by reptiles and humans.

• Zimbalist-Roberts-Bernds Productions
• Columbia Pictures
• Cesare Danova
• Sean McClory
• Joan Staley
• Danielle De Metz
• Gregg Martell
• Gil Perkins
• I. Stanford Jolley
• Roger Til