John Leguizamo Sid (voice)
Josh Gad Louis (voice)
Jennifer Lopez Songs, Shira (voice)
Simon Pegg Buck (voice)
Denis Leary Diego (voice)
Patrick Stewart Ariscratle (voice)
Alan Tudyk Milton / Hunky Siren (voice)
Peter Dinklage Captain Gutt (voice)
Seann William Scott Crash (voice)
Queen Latifah Songs, Ellie (voice)
Keke Palmer Songs, Peaches (voice)
Rebel Wilson Raz (voice)
Nick Frost Flynn (voice)
Ray Romano Manny (voice)
Josh Peck Eddie (voice)
Carlos Saldanha Executive Producer
Wanda Sykes Granny (voice)
Drake Songs, Ethan (voice)
Nicki Minaj Songs, Steffie (voice)
Aziz Ansari Squint (voice)
Lucas Leguizamo Additional Voices (voice)
Allegra Leguizamo Additional Voices (voice)
Kunal Nayyar Gupta (voice)
Heather Morris Katie (voice)
Alain Chabat Silas (voice)
Mike Reiss Story Consultant
John Powell Original Music Composer
Selenis Leyva Additional Voices (voice)
Joy Behar Eunice (voice)
Alexandra Romano Meghan (voice)
Danny Flaherty Additional Voices (voice)
Chris Wedge Scrat (voice), Executive Producer
Jason Fuchs Screenplay
Michael Thurmeier Director
Gabriel Rush Additional Voices (voice)
Jim Passon Color Timer
Tara Sands Additional Voices (voice)
Keith Silverstein Additional Voices (voice)
Nick Bruno Animation Supervisor
Ester Dean Female Siren (voice), Songs
Marieve Herington Additional Voices (voice)
Lora Hirschberg Sound Re-Recording Mixer
David Parker Additional Sound Re-Recording Mixer
Frank Rinella Foley Mixer
Randy Thom Sound Designer, Supervising Sound Editor, Sound Re-Recording Mixer, Additonal Voices (voice)
Sondra James Additional Voices (voice)
Tashiana Washington Additional Voices (voice)
Dennie Thorpe Foley Artist
Edita Brychta Additional Voices (voice)
Brian Chumney Dialogue Editor
Nia Hansen Sound Effects Editor
Dennis T. Carnegie Additional Voices (voice)
Karen Disher Scratte (voice)
Alexa Kahn Additional Voices (voice)
John C. Donkin Producer
Michael Silvers Supervising Sound Editor
Steve Martino Director
Michael Berg Story, Screenplay
Jana Vance Foley Artist
Ron McClary Additional Voices (voice)
Jason Fricchione Dumb Mammoth / Various (voice)
Aimée Castle Additional Voices (voice)
Bill Lobley Additional Voices (voice)
Jim Conroy Additional Voices (voice)
Christian Kaplan Casting
Chris Phillips Additional Voices (voice)
James Palumbo Panicked Start (voice), Editor
Robert Shoup Foley Editor
Scott R. Lewis Additional Sound Re-Recording Mixer
Peter de Sève Character Designer
Renato Falcão Director of Photography
Jay McGuiness Songs