Jack Armstrong (serial)

Vic Hardy, a scientist working for Jim Fairfield's aviation company, is kidnapped by Jason Grood's gang after discovering radiation emitting from their secret island base. Grood intends to conquer the world and forces Hardy to assist him.

Fairfield, along with his niece and nephew and, most importantly, the hero of the title, attempt to rescue Hardy and stop Grood's plans. They are assisted by the native tribe living on the island, led by Princess Alura.

• John Hart as Jack Armstrong
• Rosemary LaPlanche as Betty Fairfield, niece of Jim Fairfield
• Claire James as Princess Alura, leader of the native tribe on the island
• Joe Brown, Jr. as Billy Fairfield, nephew of Jim Fairfield
• Pierre Watkin as Uncle Jim Fairfield, owner of the aviation company
• Wheeler Oakman as Professor Hobart Zorn, one of Grood's henchmen
• Jack Ingram as Blair, Grood's "Spear-point Heavy" (chief henchman)
• Eddie Parker as Slade, one of Grood's henchmen
• Hugh Prosser as Vic Hardy, scientist kidnapped from the Fairfield aviation company
• Charles Middleton as Jason Grood, a mad scientist and the main antagonist (despite Middleton not being billed in the credits.)

1. Mystery of the Cosmic Ray
2. The Far World
3. Island of Deception
4. Into the Chasm
5. The Space Ship
6. Tunnels of Treachery
7. Cavern of Chance
8. The Secret Room
9. Human Targets
10. Battle of the Warriors
11. Cosmic Annihilator
12. The Grotto of Greed
13. Wheels of Fate
14. Journey into Space
15. Retribution

_Source:[1]

• List of film serials by year
• List of film serials by studio

• Jack Armstrong on IMDb
• Jack Armstrong at AllMovie
• Review of the VCI DVD at FulvueDrive-in.com