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