John Lee Erwin (December 5, 1936 - c. December 20, 2024) was an American voice actor best known for voicing He-Man and Beast Man in He-Man and the Masters of the Universe, Reggie Mantle in The Archie Show, and Morris the Cat. John Lee Erwin (December 5, 1936 - c. December 20, 2024) was an American voice actor best known for voicing He-Man and Beast Man in He-Man and the Masters of the Universe, Reggie Mantle in The Archie Show, and Morris the Cat.