An American actor renowned for his athletic physique and intense performances, he began his career as a circus acrobat before transitioning to film in the 1940s. He quickly became a leading man, known for roles in classics like "From Here to Eternity" and "Elmer Gantry," the latter earning him an Academy Award. Throughout his career, he demonstrated versatility across genres, including drama, westerns, and thrillers. Off-screen, he was a vocal advocate for civil rights and various social causes.