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Miley Cyrus
Penny (voice)
Mark Walton
Rhino (voice)
Susie Essman
Mittens (voice)
Malcolm McDowell
Dr. Calico (voice)
Dara McGarry
(voice)
Randy Poffo
Thug (voice)
Sean Donnellan
Penny's TV Dad (voice)
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Released
Walt Disney Animation Studios
Walt Disney Pictures
John Lasseter
Executive Producer
Shannon Stein
Editor
Chris Williams
Nathan Greno
Writer
