Scott Bakula
Danny (voice)
Jasmine Guy
Sawyer (voice)
Natalie Cole
Sawyer (singing voice)
Ashley Peldon
Darla Dimple (voice)
Lindsay Ridgeway
Darla Dimple (singing voice)
Frank Welker
Farley Wink (voice)
Don Knotts
T.W. Turtle (voice)
George Kennedy
L.B. Mammoth (voice)
John Rhys-Davies
Woolie Mammoth (voice)
Kathy Najimy
Tillie Hippo (voice)
René Auberjonois
Flanigan (voice)
Hal Holbrook
Cranston (voice)
Betty Lou Gerson
Frances (voice)
Dee Bradley Baker
Kong / Additional Voices (voice)
David Johansen
Bus Driver (voice)
Mark Dindal
Max (voice)
Bob Bergen
Additional Voices (voice)
Debi Derryberry
Additional Voices (voice)
Bill Farmer
Additional Voices (voice)
Barbara Goodson
Additional Voices (voice)
Catherine Battistone
Additional Voices (voice)
Vanessa Theme Ament
Additional Voices (voice)
Rick Logan
T.W. Turtle (singing voice)
Matthew Herried
Peabo 'Pudge' Pudgemyer (voice)