Anna Kendrick as Poppy (voice)

Justin Timberlake as Branch (voice)

Kenan Thompson as Tiny Diamond (voice)

Travis Scott as Rhyme-a-saurus (voice)

Carol Burnett as Windbreeze (voice)

Rachel Bloom as Barb (voice)

Ron Funches as Cooper (voice)

Kunal Nayyar as Guy Diamond (voice)

Anderson .Paak as Prince D (voice)

Anthony Ramos as Trollex (voice)

Ester Dean as Legsly (voice)

Kylie Jenner as Penelopuff (voice)

Walt Dohrn as Cloud Guy and Mr. Dinkles (voice)

Da'Vine Joy Randolph as Sheila Balloon (voice)

Karan Soni as Riff (voice)

Jenny Mermelstein as Delta Dawn (voice)

Megan Hilty as Holly Darlin' (voice)

Lauren C. Mayhew as Val Thundershock (voice)

Sean Charmatz as Cloud Monk, Alien, Narrator and Teaface (voice)