Näyttelijät

• Elijah Wood — Mumble (voice)
• P!nk — Gloria (voice)
• Elizabeth Daily — Erik (voice)
• Common — Seymour (voice)
• Jeffrey Garcia — Rinaldo (voice)
• Ava Acres — Erik (voice)
• Meibh Campbell — Bo (voice)
• Lee Perry — Wayne the Challenger / Francesco / Eggbert / Leopard Seal (voice)
• Roger Narayan — Bollywood Indian Penguin (voice)
• Mason Vale Cotton — Additional Voices (voice)
• Joshua Rush — Additional Voice
• Sofía Vergara — Carmen (voice)
• Anthony LaPaglia — The Alpha Skua (voice)
• Matt Damon — Bill the Krill (voice)
• Magda Szubanski — Miss Viola (voice)
• Robin Williams — Ramon / Lovelace (voice)
• Lombardo Boyar — Raul (voice)
• Hugo Weaving — Noah the Elder (voice)
• Brad Pitt — Will the Krill (voice)
• Carlos Alazraqui — Nestor (voice)
• Hank Azaria — The Mighty Sven (voice)
• Richard Carter — Bryan the Beachmaster (voice)
• Danny Mann — Brokebeak (voice)