Mr. Davenport (1 episode, 2011)
Stuart Davis (1 episode, 2012)
Frank Keller (4 episodes, 2010-2012)
Harold Sanders (1 episode, 2008)
Gerald Kornbluth (1 episode, 2006)
Homeless Hungarian (14 episodes, 2004-2006)
Alexander Dolzhenko (1 episode, 2005)
Herman Redding (3 episodes, 2002)
Nick Kincaid (5 episodes, 1999-2000)
Dr. Gerald Braun (4 episodes, 1997)
Dennis (2 episodes, 1995-1996)
Larry Dillahey / ... (2 episodes, 1995-1999)
Dr. Heller / ... (2 episodes, 1994-1997)
Wellman (1 episode, 1990)
Atty. Michael Di Stefano (2 episodes, 1993-1994)
Gerald 'Gerry' Winters (1 episode, 1993)
Norman Katz 1 episode, 2021