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