On screen
Cast
11 credited performers
Noah Segan
Henry (voice)
Julia McIlvaine
June (voice)
Artwork unavailable
Bert Pence
Announcer (voice)
Rick Gomez
Sniz Bronkowski (voice)
Mischa Barton
Betty Ann Bongo (voice)
Danielle Judovits
Loopy (voice)
John Walsh
Snuppa (voice)
John Stamos
Character not listed
Artwork unavailable
Tyler Hudson
(segment "Why Does the Sun Shine?")
Artwork unavailable
Mark Marek
Dr. Ferdinand Blem (voice)
Artwork unavailable
Tom Megalis
Emmett Freedy (voice)