Answers: Aldo Giuffrè, Mario Brega, and Luigi Pistilli Clint Eastwood, Eli Wallach, and Lee Van Cleef Sergio Leone, Ennio Morricone, and Tonino Delli Colli Yul Brynner, Steve McQueen, and Charles Bronson
The correct answer is: Clint Eastwood, Eli Wallach, and Lee Van Cleef