Michael J. Fox
Milo James Thatch (voice)
Cree Summer
Princess 'Kida' Kidagakash (voice)
James Garner
Commander Lyle Tiberius Rourke (voice)
Claudia Christian
Helga Katrina Sinclair (voice)
Phil Morris
Dr. Joshua Strongbear Sweet (voice)
Leonard Nimoy
King Kashekim Nedakh (voice)
John Mahoney
Preston B. Whitmore (voice)
Corey Burton
Gaetan 'The Mole' Moliere (voice)
Don Novello
Vincenzo 'Vinny' Santorini (voice)
Jacqueline Obradors
Audrey Rocio Ramirez (voice)
Florence Stanley
Wilhelmina Bertha Packard (voice)
David Ogden Stiers
Fenton Q. Harcourt (voice)
Natalie Strom
Young Kida (voice)
Jim Varney
Jebidiah Allardyce 'Cookie' Farnsworth (voice)
Jim Cummings
Additional Voices (voice)
Patrick Pinney
Additional Voices (voice)
Chuck Riley
Narrator (voice)