Lee Marvin, 𝐛𝐨𝐫𝐧 on February 19, 1924, portrayed Major John Reisman, a tough military officer leading the team. Before his acting career, Marvin served in the U.S. Marine Corps during World War II. He enjoyed a successful Hollywood trajectory, winning an Academy Award for “Cat Ballou” in 1965, before passing away in 1987 from a heart attack.