Himesh Patel
— Wirral (voice)
Céline Dion
— Sugartail (voice)
Hannah Waddingham
— Gretsch (voice)
Paul McCartney
— McKenzie (voice)
Idris Elba
— Barrel (voice)
Lionel Richie
— Gladstone (voice)
Ringo Starr
— Roy (voice)
Jimmy Fallon
— Froggo (voice)
Clémence Poésy
— Doris (voice)
Pom Klementieff
— Mina (voice)
Alain Chabat
— Bigsby (voice)