Emilia Clarke Pippa (voice)
Natalie Portman Mary Muggle-Wump (voice)
Jason Mantzoukas Mayor Wayne John John-John (voice)
Margo Martindale Credenza Twit (voice)
Alan Tudyk The Sweet-Toed Toad (voice)
Rebecca Wisocky Dee Dumdie-Dungle (voice)
Timothy Simons Marty Muggle-Wump (voice)
Dee Bradley Baker Muggle-Wump Efforts / Florbnorbles (voice)
Maitreyi Ramakrishnan Beesha Balti (voice)
Mark Proksch Horvis Dungle (voice)
Scott Whyte Voice Changer 30,000 / Rabney "Lyle" Kalemann (voice)
Roald Dahl Novel
Johnny Vegas Jim Twit (voice)
Hayley Williams Songs, Marleeta Punge (voice)
Nicole Byer Beverly Onion (voice)
Rif Hutton Cop #1 (voice)
Stephanie Escajeda Constance Klurb (voice)
Della Saba Dorcas Dumdie-Dungle (voice)
Phil Johnston Director, Producer, Mr. Napkin (voice), Writer
David Byrne Songs, Gordon Sniffles (voice)
Shane Sweet Triperot Man (voice)
David Cowgill Golf Announcer (voice)
Zarah Kulczycki Harold Hulse (voice)
Sami Amber Jeremy (voice)
John H. Williams Executive Producer
Oli Julian Original Music Composer
Meg Favreau Writer
Cymbre Walk Casting
William Calvert Jailer (voice)
Erika Dapkewicz Editor, Florbnorble Leader (voice)
Todd Demong Co-Director
Ryan Anderson Lopez Busby Mulch (voice)
Charlie Berens Gorb Klurb (voice)
Bianca K. Dansoh Production Manager
Elisabeth Murdoch Executive Producer
Craig Rittenbaum Line Producer
Julie Lockhart Executive Producer
Mary Coleman Executive Producer
Katie Shanahan Co-Director
Lara Breay Executive Producer
Maggie Malone Producer
Kirk Garfield VFX Supervisor
Rémi Salmon Production Design
Jack Kasprzak Animation Director
Valentin Beaumont Visual Effects Technical Director
Natalie Fischer Executive Producer
Daisy May West Producer
Israa Zainab Mandy Muggle-Wump (voice)
Matthew Bilton Head of Layout
Sarah Smith Executive Producer
Riley King Tuna Remnant (voice)
Fernando Peque Art Direction