Chloë Grace Moretz Young Penny (voice)
John Travolta Bolt (voice)
Tara Strong Additional Voices (voice)
Jeff Bennett Lloyd (voice)
Malcolm McDowell Dr. Calico (voice)
Miley Cyrus Songs, Penny (voice)
Grey DeLisle Penny's Mom (voice)
John Lasseter Executive Producer
Greg Germann The Agent (voice)
Kari Wahlgren Mindy Parker (voice)
Brian Stepanek Martin (voice)
John DiMaggio Saul (voice)
Nathan Greno Additional Voices (voice)
Scott Menville Additional Voices (voice)
Phil LaMarr Additional Voices (voice)
Diedrich Bader Veteran Cat (voice)
Ronn Moss Dr. Forrester (voice)
Terri Douglas Additional Voices (voice)
Nick Swardson Blake (voice)
Sam Marin Animation
Dan Fogelman Screenplay, Billy (voice)
Daran Norris Louie (voice)
Byron Howard Director
J.P. Manoux Tom (voice)
Susie Essman Mittens (voice)
Anne Lockhart Additional Voices (voice)
Jenny Lewis Assistant Director (voice)
John Powell Original Music Composer
Stephen J. Anderson Additional Voices (voice)
Pepper Sweeney Additional Voices (voice)
David Cowgill Additional Voices (voice)
Chris Williams Additional Voices (voice), Director, Screenplay
Randy Poffo Thug (voice)
David E. Fluhr Sound Re-Recording Mixer
Jonathan Nichols-Navarro Additional Voices (voice)
James Lipton The Director (voice)
June Christopher Additional Voices (voice)
Randy Thom Sound Re-Recording Mixer, Sound Designer
Clay Kaytis Supervising Animator
Jackie Gonneau Additional Voices (voice)
Dara McGarry Additional Voices (voice)
Frank E. Eulner Supervising Sound Editor
Joe Whyte Modeling, Additional Voices (voice)
Clark Spencer Producer
Patrick Osborne Animation
Sean Donnellan Penny's TV Dad (voice)
Paul Pape Additional Voices (voice)
Jin Kim Character Designer
Leo Sanchez Barbosa Modeling
Earl Ghaffari Music Editor
Leff Lefferts Sound Design Assistant
Holly Kaneko Additional Voices (voice)
Tom MacDougall Music Supervisor
Adam Dykstra Animation
Shannon Stein Associate Editor
Nik Ranieri Animation
Ralph Zondag Animation
J.R. Grubbs Sound Effects Editor
Mohit Kallianpur Sequence Leads
Paul A. Felix Art Direction
Lino DiSalvo Vinnie (voice), Supervising Animator
Brian Kesinger Layout
Marshall Winn Dialogue Editor
Pete Anthony Orchestrator
Randy Kerber Orchestrator
John W. Wheeler Assistant Editor
Mark Walton Rhino (voice)
Kelly Hoover Ester (voice)
Thomas Baker Layout
Cinzia Angelini Animation
Lisa Leonardi-Knight Animation Manager
Jean-Christophe Poulain Visual Development