Chloë Grace Moretz Young Penny (voice)
John Travolta Bolt (voice)
Diedrich Bader Veteran Cat (voice)
Tara Strong Additional Voices (voice)
Malcolm McDowell Dr. Calico (voice)
Miley Cyrus Penny (voice), Songs
John DiMaggio Saul (voice)
Byron Howard Director
Jeff Bennett Lloyd (voice)
John Lasseter Executive Producer
Grey DeLisle Penny's Mom (voice)
Patrick Osborne Animation
Phil LaMarr Additional Voices (voice)
Paul Pape Additional Voices (voice)
Tom MacDougall Music Supervisor
Clay Kaytis Supervising Animator
Greg Germann The Agent (voice)
David E. Fluhr Sound Re-Recording Mixer
Terri Douglas Additional Voices (voice)
Kari Wahlgren Mindy Parker (voice)
James Lipton The Director (voice)
Brian Stepanek Martin (voice)
Nick Swardson Blake (voice)
Anne Lockhart Additional Voices (voice)
Pepper Sweeney Additional Voices (voice)
Scott Menville Additional Voices (voice)
Joe Whyte Modeling, Additional Voices (voice)
Jin Kim Character Designer
Chris Montan Executive Music Producer
J.R. Grubbs Sound Effects Editor
Chris Williams Director, Screenplay, Additional Voices (voice)
Doug Walker Layout
Pete Anthony Orchestrator
J.P. Manoux Tom (voice)
John Powell Original Music Composer
Daran Norris Louie (voice)
Randy Kerber Orchestrator
John Kahrs Animation
Joe Moshier Character Designer
Germaine Franco Orchestrator
Randy Thom Sound Designer, Sound Re-Recording Mixer
Dan Fogelman Billy (voice), Screenplay
Dick Zondag Animation
Earl Ghaffari Music Editor
Allen Blaisdell Layout
James Baker Animation
Daniel Hu Layout
Jonathan Nichols-Navarro Additional Voices (voice)
Sean Donnellan Penny's TV Dad (voice)
K. C. Roeyer Animation
Brian Menz Animation
Kevin Nelson Visual Development
Susie Essman Mittens (voice)
Randy Poffo Thug (voice)
Ronn Moss Dr. Forrester (voice)
Mark Walton Rhino (voice)
Brian Kesinger Layout
Karen Ryan Additional Voices (voice)
Stephen J. Anderson Additional Voices (voice)
Dan Read Visual Development
Rick Moore Layout
Dougg Williams Animation
Frank E. Eulner Supervising Sound Editor
Scott Beattie Layout
Jenny Lewis Assistant Director (voice)
Mark Henley Layout
Darrin Butters Animation
Paul A. Felix Art Direction
Dave Metzger Orchestrator
June Christopher Additional Voices (voice)
Leff Lefferts Sound Design Assistant
Jim Likowski Foley Editor