Mysterious Island

It is 1865 and Union prisoners use a military balloon to escape a Southern prison camp near the end of the Civil War. The balloon drifts for days and finally lands on a mysterious volcanic island with very unusual inhabitants. Also landing, in a better aircraft, is Rulu, a visitor from Mercury. She seeks a radio-active material that will enable her to manufacture an explosive that will destroy the world or, at least, the portion known as Earth in this 15 Chapter Serial from the 1950s.

• Spencer Gordon BennetDirector
• Lewis ClayScreenplay
• Royal K. ColeScreenplay
• George H. PlymptonScreenplay

• Richard CraneCapt. Cyrus Harding
• Marshall ReedJack Pencroft
• Karen RandleRulu of Mercury
• Ralph HodgesHerbert 'Bert' Brown
• Gene RothPirate Capt. Shard
• Hugh ProsserGideon Spillet
• Leonard PennCapt. Nemo
• Terry FrostAyrton - The Wild Man
• Rusty WescoattMoley - Shard Henchman
• Bernie HamiltonNeb
• William FawcettMr. Jackson
• George RobothamMercurian