J.D.'s Revenge (1976)

"He came back from the dead to possess a man's soul, make love to his woman, and get the Vengeance he craved!"

After notorious New Orleans gangster J.D. Walker is murdered in the 1940s, his spirit remains restless for three decades, until a hypnotist's supernatural nightclub act allows him to take over the body of a mild-mannered law student and seek revenge on those who had him killed.