June Foray

as Grammi Gummi (voice)

Christian Jacobs

as Cavin (voice)

Katie Leigh

as Sunni Gummi (voice)

Lorenzo Music

as Tummi Gummi (voice)

Noelle North

as Cubbi Gummi / Princess Calla (voice)

Will Ryan

as Unwin / Ogres (voice)

Michael Rye

as Duke Igthorn / King Gregor (voice)

Bill Scott

as Gruffi Gummi / Sir Tuxford / Toadwart (voice)

Paul Winchell

as Zummi Gummi (voice)