Tom Holland as Ian Lightfoot (voice)

Chris Pratt as Barley Lightfoot (voice)

Julia Louis-Dreyfus as Laurel Lightfoot (voice)

Octavia Spencer as The Manticore (voice)

Mel Rodriguez as Officer Colt Bronco (voice)

Kyle Bornheimer as Wilden Lightfoot (voice)

Lena Waithe as Officer Spector (voice)

Ali Wong as Officer Gore (voice)

Grey DeLisle as Dewdrop (voice)

Tracey Ullman as Grecklin (voice)

Wilmer Valderrama as Gaxton (voice)

John Ratzenberger as Construction Worker Fennwick (voice)

George Psarras as Officer Avel (voice)