Manny (voice)

Ray Romano

Acting

Sid (voice)

John Leguizamo

Acting

Diego (voice)

Denis Leary

Acting

Soto (voice)

Goran Višnjić

Acting

Zeke (voice)

Jack Black

Acting

Carl (voice)

Cedric the Entertainer

Acting

Frank / Start (voice)

Stephen Root

Acting

Oscar (voice)

Diedrich Bader

Acting

Lenny / Freaky Mammal / Dab (voice)

Alan Tudyk

Acting

Jennifer (voice)

Lorri Bagley

Acting

Rachel (voice)

Jane Krakowski

Acting

Dodo / Freaky Mammal (voice)

Peter Ackerman

Writing

Dodo (voice)

P.J. Benjamin

Acting

Dodo / Aardvark (voice)

Josh Hamilton

Acting

Glyptodon (voice)

Denny Dillon

Acting

Glyptodon (voice)

Mitzi McCall

Acting

Baby Start (voice)

Tara Strong

Acting

Dodo / Scrat (voice)

Chris Wedge

Acting

Sylvia (voice) (uncredited)

Kristen Johnston

Acting

Additional Voices (voice) (uncredited)

Darin De Paul

Acting

Dodo (voice) (uncredited)

Dann Fink

Production

Various Mammals (uncredited)

Patrick Pinney

Acting

Various Mammals (uncredited)

Phil Proctor

Acting