| Cast list |
| Samuel L. Jackson | as | Narrator (voice) |
| Jason Alexander | as | Penguin on Belly (voice) |
| Christina Applegate | as | Melissa (voice) |
| James Belushi | as | They're all bitches Penguin (voice) |
| Jason Biggs | as | Insecure Penguin (voice) |
| Lewis Black | as | Jimmy (voice) |
| Mario Cantone | as | Sidney (voice) |
| Dane Cook | as | Online Penguin (voice) |
| Dave Coulier | as | There's no snow Penguin (voice) |
| Norm Crosby | as | Carl's Grandfather (voice) |
| Drea de Matteo | as | Ester (voice) |
| Cliff Dorfman | as | Angry Penguin (voice) |
| Adam Duritz | as | Sensitive Guy Penguin (voice) |
| Vanessa Lee Evigan | as | Hilton Penguin (voice) |
| Harvey Fierstein | as | Sheila (voice) |
| Whoopi Goldberg | as | Helen (voice) |
| Gilbert Gottfried | as | Freezing Nuts Penguin (voice) |
| Alyson Hannigan | as | Hottie 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 |
| Brie Larson | as | I need a Z-pack Penguin (voice) |
| Lori Loughlin | as | Melvin-Smacking Penguin (voice) |
| Jon Lovitz | as | My eyes are up here Penguin (voice) |
| Norm MacDonald | as | Join Twosomes Penguin (voice) |
| Carlos Mencia | as | Juan Sanchez (voice) |
| David Michie | as | Sly Penguin (voice) |
| Mo'Nique | as | Vicky (voice) |
| Tracy Morgan | as | Marcus (voice) |
| Bob Saget | as | Carl (voice) |
| Jonathan Silverman | as | Seal Critics (voice) |
| Nick Simunek | as | Daddy likes that Penguin (voice) |
| John Stamos | as | What's global warming Penguin (voice) |
| Jodie Sweetin | as | He's so gross Penguin (voice) |
| Abe Vigoda | as | Penguin from Boca (voice) |
| Damon Wayans | as | Hey, that's my ass! Penguin (voice) |
| Rob Weiss | as | Pissed Penguin (voice) |
