吉昂尼·嘉科，Gianni Garko, often billed as John Garko and occasionally Gary Hudson, is an Italian-Croatian actor who found fame as a leading man in 1960s Spaghetti Westerns. He is perhaps best known for his lead role as Sartana, starting with the first official film If You Meet Sartana Pray for Your Death and starring in three sequels as this character, the role played by George Hilton in the third film in the series.