They Move Mammoths, Don't They?

Ruth Buzzi

Nandy (voice)

Charlie Adler

Streamer / Mojo / Big Red (voice)

Max Casella

Cro (voice)

Candi Milo

Pakka (voice)

Jim Cummings

Phil / Ogg / Murray (voice)

April Ortiz

Dr. Cecilia (voice)

Frank Welker

Gogg / Earle (voice)

Jussie Smollett

Mike (voice)

Tress MacNeille

Esmeralda (voice)

Laurie O'Brien

Ivanna (voice)

Jane Singer

Selene (voice)