Anna Kendrick Poppy (voice) Justin Timberlake Branch (voice) Kenan Thompson Tiny Diamond (voice) Travis Scott Rhyme-a-saurus (voice) Carol Burnett Windbreeze (voice) Rachel Bloom Barb (voice) Ron Funches Cooper (voice) Kunal Nayyar Guy Diamond (voice) Anderson .Paak Prince D (voice) Anthony Ramos Trollex (voice) Ester Dean Legsly (voice) Kylie Jenner Penelopuff (voice)