Ηθοποιοί

• Ray Romano — Manny
• John Leguizamo — Sid
• Denis Leary — Diego
• Goran Visnjic — Soto
• Alan Tudyk — Lenny
• Jack Black — Zeke
• Cedric the Entertainer — Carl
• Diedrich Bader — Oscar
• Chris Wedge
• Mitzi McCall — Baby Moeritherium
• Josh Hamilton — Aardvark / Dodo
• P.J. Benjamin — Dodo
• Sherry Lynn — Start
• Stephen Root — Rhino / Start
• Peter Ackerman — Macrauchenia
• Denny Dillon — Glyptodont
• Lorri Bagley — Jennifer
• Jane Krakowski — Rachel