David Hernande (1 episode, 2012)
Andrew Grant (1 episode, 2008)
Henry (story segments "Wraparound")
Professor (2 episodes, 2009)
Barney / ... (4 episodes, 2006-2009)
Mike Hicks (1 episode, 2008)
Dr. Douglas Filmore / ... (2 episodes, 2011-2012)
Coach Dwight Gavin 1 episode, 2011
Charlie (wraparound segments)
Ted Schmidt (83 episodes, 2000-2005)
Richard Wakefield 1 episode, 2016