He acted in Shvarts, Cumming, and his play, "Dragon," in a Royal National Theatre production at the Laurence Olivier Theatre in London, England with Tony Armatrading, Christopher Campbell, Lolita Chakrabati, Martin Chamberlain, John Cobb, Dhirendra Kaleb Gumbs, Mark Heap, Alex Langdon, Vicky Licorish, Paul J. Medford, and Bill Thomas in the cast. Ultz was director.
Was a performer for 20 years, including being half of the circus skills-based comedy double act "The Two Marks" with Mark Heap, before becoming a Jungian Analyst and Psychotherapist.
