The Magic Sword (1962 film)

The Magic Sword also known as St. George and the Dragon, St. George and the Seven Curses the films original title, and The Seven Curses of Lodac is a 1962 live action fantasy film, mainly aimed at children, based loosely on the medieval legend of Saint George and the Dragon.

George Gary Lockwood is the foster son of Sybil Estelle Winwood, an elderly sorceress. She brought him up after his royal parents died of the plague in his infancy. He has fallen in love at first sight with Princess Helene Anne Helm.She is kidnapped by the wizard Lodac Basil Rathbone, who brazenly informs her father that he intends to feed her to his pet dragon in seven days, revenge for the death of his sister at the same age as Helene is now 18. George wants to go on a quest to liberate his lady love, but Sybil believes he is too young he is 20. She tries to distract the youth by showing him a magic sword, a steed, an invulnerable suit of armour, and six magically frozen knights he will command when he turns 21. The impatient George, however, tricks Sybil and locks her in a cellar, then leaves with the magical implements and revived company of knights. ........

Source: Wikipedia