John LeguizamoSid (voice)
Seann William ScottCrash (voice)
Queen LatifahEllie (voice)
Jennifer LopezShira (voice)
Peter DinklageCaptain Gutt (voice)
Wanda SykesGranny (voice)
Keke PalmerPeaches (voice)
Aziz AnsariSquint (voice)
Alain ChabatSilas (voice)
Kunal NayyarGupta (voice)
Nicki MinajSteffie (voice)
Alan TudykMilton / Hunky Siren (voice)
Ester DeanFemale Siren (voice)
Eddie 'Piolin' SoteloUncle Fungus (voice)
Heather MorrisKatie (voice)
Christopher CampbellCreature Siren (voice)
Karen DisherScratte (voice)
Marieve HeringtonAdditional Voices (voice)
Lucas LeguizamoAdditional Voices (voice)
Allegra LeguizamoAdditional Voices (voice)
Jason FricchioneDumb Mammoth / Various (voice)
Ben GleibMarshall (voice)
George JacobsBeaver (voice)
James PalumboPanicked Start (voice)
Alexandra RomanoMeghan (voice)
Patrick StewartAriscratle (voice)
Brian Scott McFaddenAdditional Voices (voice)
Ashley AlbertAdditional Voices (voice)
Edita BrychtaAdditional Voices (voice)
Dennis T. CarnegieAdditional Voices (voice)
Aimée CastleAdditional Voices (voice)
Jim ConroyAdditional Voices (voice)
Jason HarrisAdditional Voices (voice)
Sondra JamesAdditional Voices (voice)
Alexa KahnAdditional Voices (voice)
Bill LobleyAdditional Voices (voice)
Chris PhillipsAdditional Voices (voice)
Tara SandsAdditional Voices (voice)
Keith SilversteinAdditional Voices (voice)
Vanessa LemonidesAdditional Voices (voice)
Danny FlahertyAdditional Voices (voice)
Linda JoyAdditional Voices (voice)
Selenis LeyvaAdditional Voices (voice)
Ron McClaryAdditional Voices (voice)
Peter Pamela RoseAdditional Voices (voice)
Gabriel RushAdditional Voices (voice)
Randy ThomAdditonal Voices (voice)
Annie Maginnis TippeAdditional Voices (voice)
Corwin C. TugglesAdditional Voices (voice)
Tashiana WashingtonAdditional Voices (voice)
Frank WelkerGiant Crab (voice) (uncredited)
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