John Travolta Bolt (voice)
Chloë Grace Moretz Young Penny (voice)
Grey DeLisle Penny's Mom (voice)
Tara Strong Additional Voices (voice)
John DiMaggio Saul (voice)
Malcolm McDowell Dr. Calico (voice)
Jeff Bennett Lloyd (voice)
Scott C. Lemmer Animation
Diedrich Bader Veteran Cat (voice)
Miley Cyrus Songs, Penny (voice)
Scott Menville Additional Voices (voice)
Greg Germann The Agent (voice)
Kari Wahlgren Mindy Parker (voice)
Dan Fogelman Screenplay, Billy (voice)
J.R. Grubbs Sound Effects Editor
Brian Stepanek Martin (voice)
John Lasseter Executive Producer
Nick Swardson Blake (voice)
David E. Fluhr Sound Re-Recording Mixer
Randy Thom Sound Re-Recording Mixer, Sound Designer
J.P. Manoux Tom (voice)
Phil LaMarr Additional Voices (voice)
Terri Douglas Additional Voices (voice)
K. C. Roeyer Animation
Byron Howard Director
Anne Lockhart Additional Voices (voice)
Daran Norris Louie (voice)
Susie Essman Mittens (voice)
John Powell Original Music Composer
John Wong Animation
Chris Williams Additional Voices (voice), Director, Screenplay
Jenny Lewis Assistant Director (voice)
Pepper Sweeney Additional Voices (voice)
Randy Poffo Thug (voice)
Ronn Moss Dr. Forrester (voice)
Nathan Greno Additional Voices (voice)
Curtis A. Koller Casting Director
Sam Marin Animation
David Cowgill Additional Voices (voice)
Ethan Hurd Animation
Hyrum Virl Osmond Animation
James Lipton The Director (voice)
Stephen J. Anderson Additional Voices (voice)
Sean Donnellan Penny's TV Dad (voice)
Paul Pape Additional Voices (voice)
John W. Wheeler Assistant Editor
June Christopher Additional Voices (voice)
Tom Carlson Music Editor
Pete Anthony Orchestrator
Tom MacDougall Music Supervisor
Doug Bennett Animation Supervisor
Daniel Kaz Additional Voices (voice)
Jackie Gonneau Additional Voices (voice)
Bill Perkins Animation Manager, Visual Development
Brian Kesinger Layout
Mark Walton Rhino (voice)
Frank E. Eulner Supervising Sound Editor
Jin Kim Character Designer
Rick Moore Layout
Chris Montan Executive Music Producer
Renato Dos Anjos Supervising Animator
Simon Christen Animation
Scott Guitteau Sound Effects Editor
Darrin Butters Animation
Jim Likowski Foley Editor
James Baker Animation
Youngjae Choi Animation
Randy Kerber Orchestrator
Dick Zondag Animation
James Finn Visual Development
Mark Anthony Austin Supervising Animator
Clay Kaytis Supervising Animator