Henry Wiggins (25 episodes, 2002-2006)
Fraidy Begonia (25 episodes, 2002-2006)
Mr. Wiggins / Uncle Neptune (25 episodes, 2002-2006)
Doris / Mrs. Wiggins / Ms. Pierre (25 episodes, 2002-2006)
Darwin / Margaret The Dog (25 episodes, 2002-2006)
Plutonian (1 episode, 2002)
Mail lady (1 episode, 2002)
(1 episode, 2002)