Kevin Michael Richardson

Grimace (voice)

Alex D. Linz

Franklin (voice)

Kath Soucie

Fry Kid #1 (voice)

Christine Cavanaugh

Birdie (voice)

Dee Bradley Baker

Sundae (Voice)

Pamela Adlon

McNugget #1 (voice)

Charlie Adler

Hamburglar / McNugget #3 / McSplorer (voice)

Verne Troyer

Sundae

Lisa Raggio

McNugget #2 (voice)

Paul Greenberg

Fry Kid #2 (voice)

Nika Futterman

Fry Kid #3 (voice)

Patrick Pinney

Phantom Head (voice)

Maurice LaMarche

Dr. Quizzical (voice)