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)

David Hussey
Ronald McDonald

Verne Troyer
Sundae

Jazmine A. Corona
Tika (voice)

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)

Jack Doepke
Ronald McDonald/Ronald McDonald (voice)