Chloë Grace Moretz Young Penny (voice)
Jeff Bennett Lloyd (voice)
John Travolta Bolt (voice)
Diedrich Bader Veteran Cat (voice)
Malcolm McDowell Dr. Calico (voice)
Brian Stepanek Martin (voice)
Miley Cyrus Penny (voice), Songs
Grey DeLisle Penny's Mom (voice)
John Lasseter Executive Producer
Tara Strong Additional Voices (voice)
Susie Essman Mittens (voice)
John DiMaggio Saul (voice)
John Powell Original Music Composer
Randy Kerber Orchestrator
Byron Howard Director
Tom Carlson Music Editor
James Lipton The Director (voice)
Phil LaMarr Additional Voices (voice)
Greg Germann The Agent (voice)
Paul Pape Additional Voices (voice)
Pepper Sweeney Additional Voices (voice)
Daran Norris Louie (voice)
Neil Krepela Layout
Terri Douglas Additional Voices (voice)
Kari Wahlgren Mindy Parker (voice)
Germaine Franco Orchestrator
Nick Swardson Blake (voice)
Patrick Osborne Animation
Doug Walker Layout
J.P. Manoux Tom (voice)
Dan Fogelman Billy (voice), Screenplay
Dick Zondag Animation
Allen Blaisdell Layout
Scott Menville Additional Voices (voice)
Daniel Hu Layout
Sean Donnellan Penny's TV Dad (voice)
Mark Anthony Austin Supervising Animator
Kevin Nelson Visual Development
Randy Poffo Thug (voice)
Ronn Moss Dr. Forrester (voice)
Chris Williams Additional Voices (voice), Director, Screenplay
Dan Read Visual Development
Tony Smeed Animation
Anne Lockhart Additional Voices (voice)
Randy Thom Sound Designer, Sound Re-Recording Mixer
Scott Beattie Layout
Jenny Lewis Assistant Director (voice)
Mark Henley Layout
Joe Whyte Additional Voices (voice), Modeling
Gregory Miller Visual Development
David Womersley Visual Development
Marshall Winn Dialogue Editor
Stephen J. Anderson Additional Voices (voice)
Alessandro Jacomini Sequence Leads
Mark Walton Rhino (voice)
Sam Marin Animation
Nathan Greno Additional Voices (voice)
June Christopher Additional Voices (voice)
Pete Anthony Orchestrator
Cory Rocco Florimonte Layout
Joe Moshier Character Designer
Jackie Gonneau Additional Voices (voice)
Frank E. Eulner Supervising Sound Editor
Holly Kaneko Additional Voices (voice)
Leff Lefferts Sound Design Assistant
Bill Perkins Animation Manager, Visual Development
William Otsuka Layout
Kelly McGraw Visual Development
Lino DiSalvo Vinnie (voice), Supervising Animator
Dara McGarry Additional Voices (voice)
Rick Moore Layout
Jonathan Nichols-Navarro Additional Voices (voice)