Born in Los Angeles, he appeared in Equity productions nationwide over many decades, often reprising roles for which he became celebrated, including Franklin D. Roosevelt in Annie, Cap’n Andy in Show Boat, Major General Stanley in The Pirates of Penzance, and The Wizard in The Wizard of Oz. Film credits included "The Doomsday Clock," "Short Circuit 2," "Hello, Dolly!" and "An Enemy of the People." Television highlights: "MAD-TV," "Weird Science," "Abbott & Costello Meet Jerry Seinfeld," "Totally Hidden Video" and "General Hospital." He performed in commercials for products such as Jack in the Box, Cadillac, Welch’s Grape Juice, KFC, and Mitsubishi.

He was also a successful writer, director and producer, recently garnering numerous festival awards for his feature documentary, "The Last First Comic," about Irv Benson, the last surviving burlesque comedy headliner.

For Actors Equity Association, Bart served as Principal Councillor on the Western Regional Board and National Council plus the Hollywood Boulevard Theaters and Membership Education Committees.

Bart was a devoted member of such historical organizations as Sons of the Desert, SPERDVAC, and The Buster Keaton Society.

He is survived by a brother and two nieces.