Using Leonardo Da Vinci's innovative designs for weapons of war, flying engines and other machinery, three brothers join forces to fight a wicked and powerful Duke in early-Renaissance Italy.
Released: Oct 31, 1963
Runtime: 95 minutes
Genre: Adventure
Stars: John Drew Barrymore, Scilla Gabel, Giacomo Rossi Stuart, Mario Pisu, Jany Clair, Romano Ghini
Crew: Leopoldo Savona (Writer), Mario Amendola (Story), Roberto Gianviti (Writer), Leopoldo Savona (Director), Mario Amendola (Screenplay), Gino Mangini (Writer)