Dennis Cruz 1 episode, 2018
Judd Whaley (1 episode, 2007)
Belka Maier (1 episode, 2016)
Jack O'Brien (1 episode, 2008)
John Swinton 1 episode, 2005
Dr. George Murrow (2 episodes, 2006)
Dr. Bernard Grady 1 episode, 2002
The Middle Management Man (3 episodes, 2002)
Claude Cleary (2 episodes, 2004)
Andrew Wayne Milne (1 episode, 2003)
Mr. Hunter (1 episode, 2003)
Judge Jeremy Allen (1 episode, 2000)
Nasedo / ... (7 episodes, 2000)
Dr. Keller (1 episode, 2000)
Wolfram & Hart Translator (1 episode, 2001)
Professor Bill Hodges (7 episodes, 2001-2002)
Dr. Frederick Wilson (2 episodes, 2000-2001)
Zoo Security Guard #2 (2 episodes, 2005)
Dr. Richard Cohen 1 episode, 2021
Mr. Greer 1 episode, 2017