Roger Murray 1 episode, 2017
Lester Rego (4 episodes, 2016)
Mr. Bakerman 1 episode, 2014
Senator Thornquist 1 episode, 2015
Moderator / ... (4 episodes, 2012-2014)
Gregory Clohessy (1 episode, 2017)
Officer Trousdale (1 episode, 2016)
Newscaster / ... (3 episodes, 2008)
Anthony (2 episodes, 2003)
Arthur 'Artie' Blessard (1 episode, 2001)
Dr. Kaplan (1 episode, 1999)
Wiley (as Kenneth L. Marks)
Agent Ruggiero / ... (3 episodes, 1998-2009)