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