Ray Romano

Manny (voice)

(Acting)

John Leguizamo

Sid (voice)

(Acting)

Denis Leary

Diego (voice)

(Acting)

Queen Latifah

Ellie (voice)

(Acting)

Seann William Scott

Crash (voice)

(Acting)

Josh Peck

Eddie (voice)

(Acting)

Jay Leno

Fast Tony (voice)

(Acting)

Will Arnett

Lone Gunslinger Vulture (voice)

(Acting)

Chris Wedge

Scrat (voice)

(Acting)

Peter Ackerman

Dung Beetle Dad (voice)

(Writing)

Caitlin Rose Anderson

Glypto Boy Billy / Beaver Girl (voice)

(Acting)

Connor Anderson

Rhino Boy / Beaver Boy (voice)

(Acting)

Joseph Bologna

Mr. Start (voice)

(Acting)

Jack Crocicchia

Elk Boy (voice)

(Acting)

Peter DeSève

Condor Chick (voice)

(Visual Effects)

Ariel Winter

(voice)

(Acting)

Clea Lewis

Female Mini Sloth (voice)

(Acting)

Stephen Root

Aardvark Dad (voice)

(Acting)

Nicole DeFelice

Start Girl (voice)

(Acting)

Debi Derryberry

Diatryma Mom (voice)

(Acting)

Marshall Efron

Start Dad (voice)

(Acting)

Tom Fahn

Stu / Male Ox (voice)

(Acting)

Jason Fricchione

Molehog Grandpa / Shovelmouth Male (voice)

(Acting)

James Edmund Godwin

Traffic Vulture (voice)

(Acting)

George Jacobs

Beaver Dad (voice)

(Acting)

Brian Scott McFadden

Glyptodon (voice)

(Acting)

Jansen Panettiere

Shovelmouth Boy (voice)

(Acting)

Gregory Romano

Start Boy 1 (voice)

(Acting)

Matt Romano

Start Boy 2 (voice)

(Acting)

Carlos Saldanha

Dodo (voice)

(Directing)

Manoela Scarpa Saldanha

Molehog Kid 1 (voice)

(Acting)

Sofia Scarpa Saldanha

Molehog Kid 2 (voice)

(Acting)

Reyna Shaskan

Diego's Bird Girl (voice)

(Acting)

James Sie

Freaky Male (voice)

(Acting)

Cindy Slattery

Aardvark Mom (voice)

(Acting)

Mindy Sterling

Female Ox (voice)

(Acting)

Alex Sullivan

James (voice)

(Sound)

Renée Taylor

Mrs. Start (voice)

(Acting)

Alan Tudyk

Cholly (voice)

(Acting)

Claudia Besso

(voice)

(Acting)

Madeleine Martin

(voice)

(Acting)

Sherry Lynn

(voice)

(Acting)

Mickie McGowan

Additional Voices (voice)

(Acting)

Emily Anderson

(voice)

(Acting)

Jack Angel

(voice)

(Acting)

Shane Baumel

(voice)

(Acting)

Bob Bergen

(voice)

(Acting)

Kyle J. Bogert

(voice)

(Acting)

Rodger Bumpass

(voice)

(Acting)

Paul Butcher

(voice)

(Acting)

Blanca Camacho

(voice)

(Acting)

John Cygan

(voice)

(Acting)

Jennifer Darling

(voice)

(Acting)

Olivia DeLaurentis

(voice)

(Acting)

Harrison Fahn

(voice)

(Acting)

Bill Farmer

(voice)

(Acting)

Crispin Freeman

Additional Voices (voice)

(Acting)

Tim Kirkpatrick

(voice)

(Acting)

David H. Kramer

(voice)

(Production)

Danny Mann

(voice)

(Acting)

Laura Marano

(voice)

(Acting)

Matt McCarthy

(voice)

(Acting)

Laraine Newman

(voice)

(Acting)

Jan Rabson

(voice)

(Acting)

Zack Shada

(voice)

(Acting)

Thomas Sharkey

(voice)

(Acting)

Ross Simanteris

(voice)

(Acting)

Rachel Stand

(voice)

(Acting)

Spencer Lacey Ganus

(voice)

(Acting)

Jess Harnell

(voice) (uncredited)

(Acting)