Professor Langford 10 episodes, 2018
Michael Banks (4 episodes, 2015)
Nick McCullers (1 episode, 2011)
Deputy Bob Woolgar (1 episode, 2010)
Dan Torre (1 episode, 2008)
Jeff Webb (1 episode, 2009)
Eric Foster (1 episode, 2006)
Michael Kenmore 11 episodes, 2006-2008
Commander Charles 'Trip' Tucker III (98 episodes, 2001-2005)
Carl Gadsen (1 episode, 2009)
Zeus Zelenko #2 (unknown episodes, 1996)
Mark Lawson 1 episode, 2020
Jessie 3 episodes, 2018-2020
Officer Jerry 1 episode, 2015