- Noelle North - Cubbi Gummi / Princess Calla (voice)
- Michael Rye - Duke Igthorn / King Gregor (voice)
- Will Ryan - Unwin / Ogres (voice)
- Corey Burton - Gruffi Gummi (voice)
- Brian Cummings - Sir Tuxford / Artie Deco (voice)
- Jim Cummings - Zummi Gummi (voice)
- Jim Cummings - Sir Plucky (voice)
- Jim Cummings - Carpy (voice)
- Jim Cummings - Man (voice)
- Jim Cummings - Nip / Brother Everly (voice)
- Jim Cummings - Chummi Gummi (voice)
- Jim Cummings - Aerial King (voice)
- Christian Jacobs - Cavin (voice)
- Jymn Magon - Artie Deco (voice)
- Jason Marsden - Cavin (voice)
- R.J. Williams - Cavin (voice)
- Peter Cullen - Gritty Gummi (voice)
- Peter Cullen - Knight (voice)
- Peter Cullen - Kerwin the Conqueror (voice)
- Walker Edmiston - Sir Thornberry (voice)
- Frank Welker - Henchman / Horse / Cows (voice)
- Frank Welker - Marquis de Bouillabaisse (voice)
- Frank Welker - Zephyrs (voice)
- Frank Welker - The Sluggard (voice)
- Frank Welker - Guard Dog (voice)
- Frank Welker - Finwithit (voice)
- Frank Welker - Griffin / Mervyns (voice)
- Frank Welker - Flugel / Frog (voice)
- Frank Welker - Bobo (voice)
- Frank Welker - Jabber (voice)
- Rob Paulsen - Gusto Gummi (voice)
- Rob Paulsen - Gusto Gummi / Sir Blastus (voice)
- Rob Paulsen - Gusto Gummi / Woodcutter / Knight (voice)
- Rob Paulsen - Minstrel (voice)
- David Faustino - Cavin (voice)
- Howard Morris - Sir Paunch (voice)
- Bob Holt - Giant (voice)
- Bob Holt - Dom Gordo of Ghent (voice)
- Brett Johnson - Cavin (voice)
- Chuck McCann - Knight / Chef (voice)
- Chuck McCann - Sir Gaya (voice)
- Chuck McCann - Tadpole (voice)
- Roger C. Carmel - Sir Tuxford (voice)
- Roger C. Carmel - Charm Teacher (voice)
- Roger C. Carmel - Sir Tuxford / Town Crier (voice)
- Russi Taylor - Ethalyn / Emmadryl (voice)
- Russi Taylor - Madame Placebo (voice)
- Dana Hill - Buddy Gummi (voice)
- Kath Soucie - Princess Marie (voice)
- Hamilton Camp - King Jean-Claude (voice)
- Hal Smith - Nogum (voice)
- Hal Smith - Abbot Costello (voice)
- Patricia Parris - Trina (voice)
- Patricia Parris - Aquarianne (voice)
- Pat Musick - Ursa Gummi (voice)
- Lennie Weinrib - Zorlock (voice)
- Ed Gilbert - Le Grand Fromage (voice)
- Tress MacNeille - Lady Bane (voice)
- Tress MacNeille - Great Oak / Tree #1 (voice)
- Tress MacNeille - Mother / Boy (voice)
- Tress MacNeille - Marzipan (voice)
- Art Vitello
- Jymn Magon
- Thomas Chase
- Steve Rucker
- Joseph Williams
June Foray interpreta a Grammi Gummi (voice) en la serie.
Lorenzo Music interpreta a Tummi Gummi (voice) en la serie.
Katie Leigh hace el papel de Sunni Gummi (voice).
Jim Cummings interpreta a Zummi Gummi (voice) en la serie.
Noelle North hace el papel de Cubbi Gummi / Princess Calla (voice).
Michael Rye interpreta a Duke Igthorn / King Gregor (voice) en la serie.
Will Ryan interpreta a Unwin / Ogres (voice) en la serie.
Corey Burton interpreta a Gruffi Gummi (voice) en la serie.
Brian Cummings interpreta a Sir Tuxford / Artie Deco (voice) en la serie.
Capítulo disponible en las siguientes plataformas:
