Manny (voice)

Ray Romano

Sid

John Leguizamo

Diego (voice)

Denis Leary

Ellie

Queen Latifah

Crash (voice)

Seann William Scott

Eddie

Josh Peck

Fast Tony (voice)

Jay Leno

Lone Gunslinger Vulture (voice)

Will Arnett

Scrat

Chris Wedge

Dung Beetle Dad

Peter Ackerman

Mr. Start

Joseph Bologna

Glypto Boy Billy / Beaver Girl (voice)

Caitlin Rose Anderson

Elk Boy

Jack Crocicchia

Rhino Boy / Beaver Boy (voice)

Connor Anderson

Condor Chick

Peter DeSève

Condor Chick (voice)

Peter de Sève

Start Girl

Nicole DeFelice

Additional Voices (voice)

Ariel Winter

Diatryma Mom

Debi Derryberry

Female Mini Sloth (voice)

Clea Lewis

Start Dad

Marshall Efron

Aardvark Dad (voice)

Stephen Root

Stu/Male Ox

Tom Fahn

Molehog Grandpa/Shovelmouth Male

Jason Fricchione

Traffic Vulture

James Edmund Godwin

Beaver Dad

George Jacobs

Shovelmouth Boy

Jansen Panettiere

Start Boy No. 1

Gregory Romano

Glyptodon (voice)

Brian Scott McFadden

Start Boy No. 2

Matthew Romano

Dodo

Carlos Saldanha

Start Boy 2 (voice)

Matt Romano

Molehog Kid No. 1

Manoela Scarpa Saldanha

Molehog Kid No. 2

Sofia Scarpa Saldanha

Diego's Bird Girl

Reyna Shaskan

Freaky Male

James Sie

Aardvark Mom

Cindy Slattery

Female Ox

Mindy Sterling

James

Alex Sullivan

Mrs. Start

Renée Taylor

Cholly

Alan Tudyk

Additional Voices (voice)

Claudia Besso

Arne Elsholtz

Additional Voices (voice)

Madeleine Martin

Otto Waalkes

Thomas Fritsch

Additional Voices (voice)

Sherry Lynn

Additional Voices (voice)

Mickie McGowan

Rainer Fritzsche

Additional Voices (voice)

Emily Anderson

Daniela Hoffmann

Julien Haggége

Additional Voices (voice)

Jack Angel

Lutz Mackensy

Additional Voices (voice)

Shane Baumel

Oliver Stritzel

Additional Voices (voice)

Bob Bergen

Marlon Flechtner

Additional Voices (voice)

Kyle J. Bogert

Lennart Flechtner

Additional Voices (voice)

Rodger Bumpass

Daniela Reidies

Additional Voices (voice)

Paul Butcher

Additional Voices (voice)

Blanca Camacho

James Godwin

Additional Voices (voice)

John Cygan

Brian McFadden

Additional Voices (voice)

Jennifer Darling

Additional Voices (voice)

Olivia DeLaurentis

Otto Jespersen

Dagfinn Lyngbø

Additional Voices (voice)

Harrison Fahn

Additional Voices (voice)

Bill Farmer

Sven Nordin

Additional Voices (voice)

Crispin Freeman

Linn Skåber

Additional Voices (voice)

Tim Kirkpatrick

Espen Sandvik

Additional Voices (voice)

David H. Kramer

Jan Gunnar Røise

Jan Erik Larssen

Additional Voices (voice)

Danny Mann

Additional Voices (voice)

Laura Marano

Robert Gustafsson

Björn Granath

Additional Voices (voice)

Matt McCarthy

Additional Voices (voice)

Laraine Newman

Reine Brynolfsson

Eva Röse

Additional Voices (voice)

Jan Rabson

Additional Voices (voice)

Zack Shada

Göran Gillinger

Additional Voices (voice)

Thomas Sharkey

Andreas Nilsson

Additional Voices (voice)

Ross Simanteris

Johan Ulveson

Anna Nordell

Additional Voices (voice)

Rachel Stand

Additional Voices (voice)

Spencer Lacey Ganus

Lars Amble