Squint (voice)
Eunice (voice)
Creature Siren / Various (voice)
Silas (voice)
Female Siren (voice)
Captain Gutt (voice)
Scratte (voice)
Ethan (voice)
Dumb Mammoth / Various (voice)
Flynn (voice)
Louis (voice)
Marshall (voice)
Beaver (voice)
Ellie (voice)
Diego (voice)
Sid (voice)
Shira (voice)
Steffie (voice)
Katie (voice) (as Heather Morris)
Gupta (voice)
Peaches (voice)
Panicked Start (voice) (as James M. Palumbo)
Eddie (voice)
Buck (voice)
Meghan (voice)
Manny (voice)
Crash (voice)
Teen Elk (voice) (as Matthew D. Simmons)
Uncle Fungus (voice)
Ariscratle (voice)
Granny (voice)
Baby Bird (voice)
Milton / Hunky Siren (voice)
Scrat (voice)
Raz (voice)
Additional Voices (voice) (as Ashley Albert)
Additional Voices (voice)
Additional Voices (voice) (as Daniel Flaherty)
Hyrax (voice) (as Alexakahn)
Additional Voices (voice) (as Randall Thom)
Additional Voices (voice) (as Corwin Tuggles)
Diego (uncredited)
Additional Voices (voice) (uncredited)
Manny (uncredited)
Sid (uncredited)