Samuel L. Jackson as Narrator (voice)

Alyson Hannigan as Hottie Penguin (voice)

Bob Saget as Carl (voice)

Brie Larson as I Need a Z-Pack Penguin (voice)

Carlos Mencia as Juan Sanchez (voice)

Dave Coulier as There's No Snow Penguin (voice)

John Stamos as What's Global Warming Penguin (voice)

Jodie Sweetin as He's So Gross Penguin (voice)

Lori Loughlin as Melvin-smacking Penguin (voice)

Jason Biggs as Insecure Penguin (voice)

Jim Belushi as They're all bitches Penguin (voice)

Whoopi Goldberg as Helen (voice)

Damon Wayans as Hey, That's My Ass! Penguin (voice)

Drea de Matteo as Ester (voice)

Jason Alexander as Penguin on Belly (voice)

Christina Applegate as Melissa (voice)

Lewis Black as Jimmy (voice)

Mario Cantone as Sidney (voice)

Dane Cook as Online Penguin (voice)

Norm Crosby as Carl's Grandfather (voice)

Cliff Dorfman as Angry Penguin (voice)

Adam Duritz as Sensitive Guy Penguin (voice)

Vanessa Evigan as Hilton Penguin (voice)

Gilbert Gottfried as Freezing Nuts Penguin (voice)

Jim Hazelton as No Personality Penguin (voice)

Jonathan Katz as Steve the Owl (voice)

Jamie Kennedy as Jamie (voice)

David Koechner as Melvin (voice)

Jon Lovitz as My Eyes Are Up Here Penguin (voice)

Norm Macdonald as Join Twosomes Penguin (voice)

David Michie as Sly Penguin (voice)

Mo'Nique as Vicky (voice)

Tracy Morgan as Marcus (voice)

Jeff Ross as Funny-Looking Bastard (voice)

Jonathan Silverman as Seal Critics (voice)

Nick Simunek as Daddy Likes That Penguin (voice)

Abe Vigoda as Penguin from Boca (voice)

Rob Weiss as Pissed Penguin (voice)

Scott Weinger as Horny Penguin (voice)

Harvey Fierstein as Sheila (voice)

Abbey DiGregorio as (voice)