Anna Kendrick Poppy (voice) Justin Timberlake Branch (voice) Ron Funches Cooper (voice) Rachel Bloom Barb (voice) James Corden Biggie (voice) Kelly Clarkson Delta Dawn (voice) Anderson .Paak Prince D (voice) Sam Rockwell Hickory (voice) George Clinton King Quincy (voice) Mary J. Blige Queen Essence (voice) Kenan Thompson Tiny Diamond (voice) Kunal Nayyar Guy Diamond (voice) Caroline Hjelt Chenille (voice) Aino Jawo Satin (voice) J Balvin Tresillo (voice) Flula Borg Dickory (voice) Ester Dean Legsly (voice) Jamie Dornan Chaz (voice) Ozzy Osbourne King Thrash (voice) Anthony Ramos King Trollex (voice) Karan Soni Riff (voice) Charlyne Yi Pennywhistle (voice) Joy Ari (voice) Kevin Michael Richardson Mr. Dinkles (voice) / Mr. Dinkles God (voice) / Growley Pete (voice) / Sid Fret (voice) Walt Dohrn Cloud Guy (voice) / Death Metal Mr. Dinkles (voice) / Fuzzbert (voice) / King Peppy (voice) / Smidge (voice) / Announcer (voice) / Country Music Baby (voice) / Country Music Farmer (voice) Walt Dohrn Cloud Guy / Death Metal / Mr. Dinkles / Fuzzbert / King Peppy / Smidge / Announcer / Country Music Baby / Country Music Farmer (voice)