Eunice Cho
Karen Disher
Harrison Fahn
Maile Flanagan
Jason Fricchione
Bill Hader
Kelly Keaton
Joey King
Queen Latifah
Denis Leary

Eunice Cho as Madison (Diatryma Girl) (voice)
Karen Disher as Scratte (voice)
Harrison Fahn as Glypto Boy (voice)
Maile Flanagan as Aardvark Mom (voice)
Jason Fricchione as Adult Molehog Male (voice)
Bill Hader as Gazelle (voice)
Kelly Keaton as Molehog Mom / Shovelmouth Mom (voice)
Joey King as Beaver Girl (voice)
Queen Latifah as Ellie (voice)
Denis Leary as Diego (voice)
Allegra Leguizamo as Aardvark Girl (voice)
John Leguizamo as Sid (voice)
Lucas Leguizamo as Aardvark Boy / Beaver Kid #2 (voice)
Clea Lewis as Start Mom (voice)
Jane Lynch as Diatryma Mom (voice)