Mckenna Grace Ella Bird (voice)
Jason Sudeikis Red (voice)
Peter Dinklage Mighty Eagle (voice), Songs
Sean Penn Terence (voice)
Keegan-Michael Key Judge Peckinpah (voice)
Bill Hader Leonard (voice)
Fred Tatasciore Monty Pig (voice)
Josh Gad Chuck (voice)
Ike Barinholtz Tiny (voice)
Maya Rudolph Matilda (voice)
Tony Hale Ross / Cyrus / Mime (voice)
Danny McBride Bomb (voice)
Jillian Bell Helen the Lunch Mom / Yoga Instructor (voice)
Alex Borstein Sophie Bird / Peggy Bird (voice)
Demi Lovato Songs
Charli xcx Songs, Willow (voice)
Kate McKinnon Stella / Eva the Birthday Mom (voice)
Max Charles Bobby Bird (voice)
Ava Acres Timothy the Birthday Bird (voice)
Hannibal Buress Edward the Birthday Dad (voice)
Will Finn Additional Storyboarding
Joel H. Cohen Creative Consultant
Lee Eisenberg Creative Consultant
Danielle Brooks Olive Blue / Monica the Crossing Guard (voice)
John Frink Creative Consultant
Tituss Burgess Photog (voice)
Ali Wong Betty Bird (voice)
Geoffrey Arend Day Care Teacher (voice)
Joel Cohen Creative Consultant
Jon Vitti Screenplay
Gene Stupnitsky Creative Consultant
Chris Waegner CG Supervisor
Anthony Padilla Hal (voice)
Kevin Bigley Greg Blue (voice)
Billy Eichner Chef Pig / Phillip (voice)
Alex Rubens Creative Consultant
Cristela Alonzo Shirley the Old Lady Bird (voice)
Blake Shelton Earl Pig (voice), Songs
Matt Selman Creative Consultant
Tim Burns Creative Consultant
Ian Hecox Bubbles (voice)
John Cohen Story, Johnny Bird (voice), Producer
Gary Rizzo Sound Re-Recording Mixer
Manish Raval Music Supervisor
Max Pross Creative Consultant
Maddie Taylor Hamilton Pig / Acrobat Pig (voice)
Heitor Pereira Original Music Composer
Aidan McGraw Young Red (voice)
Josh Robert Thompson Brad Bird / Dane the Saxophone Bird (voice)
Matthew J. McCarthy Rodney Pig / Acrobat Pig (voice)
Duane 'Dog' Chapman Best Boy Grip
Pete Oswald Production Design
Clay Kaytis Director, Clayton the Waiter Bird (voice)
Michael Price Creative Consultant
Peter Nash Animation Supervisor
John Rice Head of Story
Donick Cary Creative Consultant
Linda Lamontagne Casting
Shaun Farley Foley Editor
Romeo Santos Early Bird (voice)
David Maisel Executive Producer
Sean England Foley Artist
Mikko Pöllä Story
David Tuber Additional Storyboarding
Jason Brewer Production Manager
Tom Myers Supervising Sound Editor, Sound Designer, Sound Re-Recording Mixer
Catherine Winder Producer, Billy the Sign (voice)
Tom Wolfe Music Supervisor
Ronni Brown Foley Artist
Fergal Reilly Foreman Pig (voice), Director
Vadim Bazhanov Storyboard Artist
Craig Berkey Sound Designer