Scott Bakula

Character: Danny (voice)

Jasmine Guy

Character: Sawyer (voice)

Natalie Cole

Character: Sawyer (singing voice)

Ashley Peldon

Character: Darla Dimple (voice)

Lindsay Ridgeway

Character: Darla Dimple (singing voice)

Frank Welker

Character: Farley Wink (voice)

Don Knotts

Character: T.W. Turtle (voice)

George Kennedy

Character: L.B. Mammoth (voice)

John Rhys-Davies

Character: Woolie Mammoth (voice)

Kathy Najimy

Character: Tillie Hippo (voice)

René Auberjonois

Character: Flanigan (voice)

Hal Holbrook

Character: Cranston (voice)

Betty Lou Gerson

Character: Frances (voice)

Dee Bradley Baker

Character: Kong / Additional Voices (voice)

David Johansen

Character: Bus Driver (voice)

Mark Dindal

Character: Max (voice)

Bob Bergen

Character: Additional Voices (voice)

Debi Derryberry

Character: Additional Voices (voice)

Bill Farmer

Character: Additional Voices (voice)

Barbara Goodson

Character: Additional Voices (voice)

Catherine Battistone

Character: Additional Voices (voice)

Vanessa Theme Ament

Character: Additional Voices (voice)

Rick Logan

Character: T.W. Turtle (singing voice)

Matthew Herried

Character: Peabo 'Pudge' Pudgemyer (voice)