(written from a Production point of view)
Allen's first on-screen appearances were in the 1970s, with guest appearances in Bearcats!" and The Waltons. In the 1980s he guest-starred in St. Elsewhere (with David Birney) and Ed Begley, Jr.), Otherworld (with Robert O'Reilly, Mark Lenard, Jonathan Banks, Brian Thompson and Michael McGrady), What a Country (with Gail Strickland, Vijay Amritraj, George Murdock and Ada Maris) and Dragnet (with Thalmus Rasulala).
In 2006, he starred in the movies The Machiavelli Hangman, Abe & Bruno, The Chase, and Le Petomane: Parti Avec Le Vent.