Ray Romano
Manny (voice)
Acting
John Leguizamo
Sid (voice)
Acting
Denis Leary
Diego (voice)
Acting
Goran Višnjić
Soto (voice)
Acting
Jack Black
Zeke (voice)
Acting
Cedric the Entertainer
Carl (voice)
Acting
Stephen Root
Frank / Start (voice)
Acting
Diedrich Bader
Oscar (voice)
Acting
Alan Tudyk
Lenny / Freaky Mammal / Dab (voice)
Acting
Lorri Bagley
Jennifer (voice)
Acting
Jane Krakowski
Rachel (voice)
Acting
Peter Ackerman
Dodo / Freaky Mammal (voice)
Writing
P.J. Benjamin
Dodo (voice)
Acting
Josh Hamilton
Dodo / Aardvark (voice)
Acting
Chris Wedge
Dodo / Scrat (voice)
Acting
Denny Dillon
Glyptodon (voice)
Acting
Mitzi McCall
Glyptodon (voice)
Acting
Tara Charendoff-Strong
Baby Start (voice)
Acting
Darin De Paul
Additional Voices (voice) (uncredited)
Acting
Dann Fink
Dodo (voice) (uncredited)
Production
Patrick Pinney
Various Mammals (uncredited)
Acting
Phil Proctor
Various Mammals (uncredited)
Acting