He was also a published book author, songwriter and voice actor.
Kleiner wrote about Broadway for fifteen years, then switched to covering Hollywood in 1964.
His books included Please Don't Shoot My Dog: The Autobiography of Jackie Cooper and The Two of Us, with Tony Martin and Cyd Charisse.
Kleiner wrote the lyrics for "Say Hey -- The Willie Mays Song" (with Jane Douglass White's music) and Pearl Bailey's "It'll Get Worse".
Although Kleiner retired from his other duties in 1989, he continued the column until December 2001.