Jack the Giant Killer is a 1962 American heroic fantasy adventure film starring Kerwin Mathews in a fairy tale story about a young man who defends a princess against a sorcerer's giants and demons.

Kerwin Mathews was an American actor best known for playing the titular heroes in The 7th Voyage of Sinbad (1958), The Three Worlds of Gulliver (1960), and Jack the Giant Killer (1962).