Mister Glasses (8 episodes, 2007-2008)
Hard Hat (7 episodes, 2007-2008)
Kitty (6 episodes, 2007-2008)
Sean (4 episodes, 2008)
Architect 3 / Principal Williams / Self (3 episodes, 2008)
Sean (2 episodes, 2007-2008)
Heiress / Self (2 episodes, 2007-2008)
Architect 1 (1 episode, 2008)
Boorish Man (1 episode, 2007)
Texan (1 episode, 2007)
Reporter (1 episode, 2007)
Guest (1 episode, 2007)
Superintendent Flynn (1 episode, 2008)
Peepers de Groot (1 episode, 2008)
Billy's Girlfriend (1 episode, 2008)
Self (1 episode, 2008)
Herr Spectacles (1 episode, 2008)
Billy Chestnut (1 episode, 2008)
Doctor (unknown episodes)