Home People Jack Mullaney Jack Mullaney shows Jack Mullaney shows Jack Mullaney TV Shows (19) Best Week Ever (2004) He was 74 years old Harry O (1974) He was 44 years old It's About Time (1966) He was 36 years old That Girl (1966) He was 36 years old Grindl (1963) He was 33 years old Ensign O'Toole (1962) As Lieutenant Rex St. John, He was 33 years old Outlaws (1960) He was 31 years old Thriller (1960) He was 30 years old The Many Loves of Dobie Gillis (1959) He was 30 years old The DuPont Show with June Allyson (1959) He was 30 years old One Step Beyond (1959) He was 29 years old The Ann Sothern Show (1958) He was 29 years old The Thin Man (1957) He was 28 years old M Squad (1957) He was 28 years old Playwrights '56 (1955) He was 26 years old Alfred Hitchcock Presents (1955) He was 26 years old General Electric Theater (1953) He was 23 years old Robert Montgomery Presents (1950) He was 20 years old Studio One (1948) He was 19 years old