God's Gun (also known as Diamante Lobo) is a 1976 Italian-Israeli Spaghetti Western directed by Gianfranco Parolini (credited as Frank Kramer) and starring Lee Van Cleef, Jack Palance, Leif Garrett and Sybil Danning. Palance plays the head of a malicious group of bandits and Van Cleef plays a double-role of brothers: a priest and a reformed gunfighter. Leif Garrett plays the main character in the film as Johnny, a fatherless kid who brings the reformed gunfighter to town to avenge his brother's murder.