All Cast

Ray Romano

Ray Romano

Manny (voice)

John Leguizamo

John Leguizamo

Sid (voice)

Denis Leary

Denis Leary

Diego (voice)

Goran Višnjić

Goran Višnjić

Soto (voice)

Jack Black

Jack Black

Zeke (voice)

Cedric the Entertainer

Cedric the Entertainer

Carl (voice)

Stephen Root

Stephen Root

Frank / Start (voice)

Diedrich Bader

Diedrich Bader

Oscar (voice)

Alan Tudyk

Alan Tudyk

Lenny / Freaky Mammal / Dab (voice)

Lorri Bagley

Lorri Bagley

Jennifer (voice)

Jane Krakowski

Jane Krakowski

Rachel (voice)

Peter Ackerman

Peter Ackerman

Dodo / Freaky Mammal (voice)

P.J. Benjamin

P.J. Benjamin

Dodo (voice)

Josh Hamilton

Josh Hamilton

Dodo / Aardvark (voice)

Chris Wedge

Chris Wedge

Dodo / Scrat (voice)

Denny Dillon

Denny Dillon

Glyptodon (voice)

Mitzi McCall

Mitzi McCall

Glyptodon (voice)

Tara Strong

Tara Strong

Baby Start (voice)

Darin De Paul

Darin De Paul

Additional Voices (voice) (uncredited)

Dann Fink

Dann Fink

Dodo (voice) (uncredited)

Patrick Pinney

Patrick Pinney

Various Mammals (uncredited)

Phil Proctor

Phil Proctor

Various Mammals (uncredited)