Casting (30)
John Travolta
Bolt (voice)
Miley Cyrus
Penny (voice)
Susie Essman
Mittens (voice)
Mark Walton
Rhino (voice)
Malcolm McDowell
Dr. Calico (voice)
James Lipton
The Director (voice)
Greg Germann
The Agent (voice)
Diedrich Bader
Veteran Cat (voice)
Nick Swardson
Blake (voice)
J. P. Manoux
Tom (voice)
Dan Fogelman
Billy (voice)
Kari Wahlgren
Mindy Parker (voice)
Chloë Grace Moretz
Young Penny (voice)
Randy Poffo
Thug (voice)
Ronn Moss
Dr. Forrester (voice)
Grey DeLisle
Penny's Mom (voice)
Sean Donnellan
Penny's TV Dad (voice)
Lino DiSalvo
Vinnie (voice)
Todd Cummings
Joey (voice)
Tim Mertens
Bobby (voice)
Kelly Hoover
Ester (voice)
Brian Stepanek
Martin (voice)
Jeff Bennett
Lloyd (voice)
Daran Norris
Louie (voice)
John DiMaggio
Saul (voice)
Jenny Lewis
Assistant Director (voice)
Anne Lockhart
Additional Voices (voice)
Phil LaMarr
Additional Voices (voice)
June Christopher
Additional Voices (voice)
Christin Ciaccio Briggs
Additional Voices (voice)