June Foray

Grammi Gummi (voice)

Christian Jacobs

Cavin (voice)

Katie Leigh

Sunni Gummi (voice)

Lorenzo Music

Tummi Gummi (voice)

Noelle North

Cubbi Gummi / Princess Calla (voice)

Will Ryan

Unwin / Ogres (voice)

Michael Rye

Duke Igthorn / King Gregor (voice)

Bill Scott

Gruffi Gummi / Sir Tuxford / Toadwart (voice)

Paul Winchell

Zummi Gummi (voice)

Art Vitello