D. B. Sweeney

Aladar (voice)

Alfre Woodard

Plio (voice)

Ossie Davis

Yar (voice)

Max Casella

Zini (voice)

Hayden Panettiere

Suri (voice)

Samuel E. Wright

Kron (voice)

Julianna Margulies

Neera (voice)

Peter Siragusa

Bruton (voice)

Joan Plowright

Baylene (voice)

Della Reese

Eema (voice)

Cathy Cavadini

Additional Voices (voice)

Edie Lehmann Boddicker

Additional Voices (voice)

Matt Adler

Additional Voices (voice)

Sandina Bailo-Lape

Additional Voices (voice)

Zachary Bostrom

Additional Voices (voice)

Chelsea Russo

Additional Voices (voice)

Holly Dorff

Additional Voices (voice)

Greg Finley

Additional Voices (voice)

Jeff Fischer

Additional Voices (voice)

Barbara Harris

Additional Voices (voice)

David Zyler

Additional Voices (voice)

Susie Stevens-Logan

Additional Voices (voice)

David McCharen

Additional Voices (voice)

Tracy Metro

Additional Voices (voice)

Daran Norris

Additional Voices (voice)

Bobbi Page

Additional Voices (voice)

Noreen Reardon

Additional Voices (voice)

Evan Sabara

Additional Voices (voice)

Aaron Spann

Additional Voices (voice)

Andrea Baker

Additional Voices (voice)

John Walcutt

Additional Voices (voice)

Camille Winbush

Additional Voices (voice)

Billy West

Additional Voices (voice)

Frank Welker

Carnotaurus (voice) (uncredited)