Chloë Grace Moretz Young Penny (voice)
John Travolta Bolt (voice)
Malcolm McDowell Dr. Calico (voice)
John DiMaggio Saul (voice)
Tara Strong Additional Voices (voice)
Grey DeLisle Penny's Mom (voice)
Jeff Bennett Lloyd (voice)
Miley Cyrus Songs, Penny (voice)
Nick Swardson Blake (voice)
John Lasseter Executive Producer
Brian Stepanek Martin (voice)
Kari Wahlgren Mindy Parker (voice)
Greg Germann The Agent (voice)
Phil LaMarr Additional Voices (voice)
Dan Fogelman Screenplay, Billy (voice)
Diedrich Bader Veteran Cat (voice)
Scott Menville Additional Voices (voice)
Terri Douglas Additional Voices (voice)
Byron Howard Director
Jenny Lewis Assistant Director (voice)
Daran Norris Louie (voice)
Susie Essman Mittens (voice)
Ronn Moss Dr. Forrester (voice)
J.P. Manoux Tom (voice)
Nathan Greno Additional Voices (voice)
John Powell Original Music Composer
Stephen J. Anderson Additional Voices (voice)
Anne Lockhart Additional Voices (voice)
Randy Thom Sound Re-Recording Mixer, Sound Designer
James Lipton The Director (voice)
Sam Marin Animation
Patrick Osborne Animation
Sean Donnellan Penny's TV Dad (voice)
Mark Walton Rhino (voice)
Paul Pape Additional Voices (voice)
Chris Williams Additional Voices (voice), Director, Screenplay
Jonathan Nichols-Navarro Additional Voices (voice)
Randy Poffo Thug (voice)
Jackie Gonneau Additional Voices (voice)
Clark Spencer Producer
David Cowgill Additional Voices (voice)
Pepper Sweeney Additional Voices (voice)
Clay Kaytis Supervising Animator
David E. Fluhr Sound Re-Recording Mixer
Scott Guitteau Sound Effects Editor
June Christopher Additional Voices (voice)
Frank E. Eulner Supervising Sound Editor
Joe Whyte Modeling, Additional Voices (voice)
Dave Metzger Orchestrator
Pete Anthony Orchestrator
Germaine Franco Orchestrator
Brian Menz Animation
Holly Kaneko Additional Voices (voice)
Bob Davies Animation
Marshall Winn Dialogue Editor
James Baker Animation
J.R. Grubbs Sound Effects Editor
Joe Oh Animation
Bill Perkins Animation Manager, Visual Development
Cinzia Angelini Animation
Brian Kesinger Layout
Ethan Hurd Animation
Chen-Yi Chang Character Designer
Paul A. Felix Art Direction
Darrin Butters Animation
Lino DiSalvo Supervising Animator, Vinnie (voice)
Shannon Stein Associate Editor
Chris Montan Executive Music Producer
Robert L. Miles Sequence Leads
Dougg Williams Animation
Gilbert Carreras Color Timer
John Kahrs Animation