Olivia Colman Donka (voice)
Zach Galifianakis Ron (voice)
Ed Helms Graham (voice)
Kylie Cantrall Savannah (voice)
Phil LaMarr Additional Voices (voice)
Justice Smith Marc (voice)
Bentley Kalu Cop (voice)
Jack Dylan Grazer Barney (voice)
Rob Delaney Andrew (voice)
Thomas Barbusca Jayden (voice)
Till Nowak Art Direction
John Macmillan Bubble Techs (voice)
Flula Borg Additional Voices (voice)
Jadon Sand Additional Voices (voice)
Henry Jackman Original Music Composer
Liam Payne Songs
Kevin Cecil Additional Writing
Ruby Wax Ms. Hartley (voice)
Andy Riley Additional Writing
Peter Baynham Executive Producer, Writer
Nathan Crowley Production Design
Marcus Scribner Alex (voice)
Cullen McCarthy Noah (voice)
David Menkin Shayne The Biker / Mr. Cleaver (voice)
Julie Lockhart Producer
ND Stevenson Additional Writing
Ricardo Hurtado Rich (voice)
Elisabeth Murdoch Executive Producer
Kris Pearn Thanks
John Addis Additional Editor
Ava Morse Ava (voice)
Carter Goodrich Character Designer
Christian Kaplan Casting
Megan Maczko Miss Thomas (voice)
Krupa Pattani Sita (voice)
Matt Dunkley Conductor
Sarah Smith Executive Producer, Director, Writer
Andrew Kinney Orchestrator
George Hull Concept Artist
Mike Smith Additional Storyboarding
Luciano A. Muñoz Sessarego Visual Effects
Tomas Blazukas Sound Effects Editor
Tom Jacomb Co-Producer
Tristan Allerick Chen Additional Voices (voice)
Mike Prestwood Smith Sound Re-Recording Mixer
Sim Evan-Jones Additional Editor
Seamus Malone Animation Supervisor
Nick Sung Additional Storyboarding
Iara Nemirovsky Ellie (voice)
David Burrows Editor
Simon Rieber Visual Development
Octavio E. Rodriguez Additional Voices (voice), Co-Director
Dave Bayley Songs
Carlos Grangel Character Designer
Jean-Philippe Vine Lead Character Designer, Director
David Park Associate Producer
Eric Leighton Animation Director
Andrew Gordon Animation Supervisor
Aurélien Predal Production Design
Gleb Sanchez-Lobashov Additional Storyboarding
Julien Bizat Lead Character Designer
Michael Lloyd Orchestrator
Santiago Colomo Martinez Animation Supervisor
Arina Korczynski Story Artist
Adrian Maganza Story Artist
Ashley Boddy Head of Story
Stephen Coleman Orchestrator
Sylvain Marc Character Designer
Max Perkins Story Artist
Ian Abando Additional Storyboarding
Tim Watts Animation Supervisor
Philippe Denis Visual Effects Supervisor