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Jim Henson
Kermit the Frog / Rowlf / Dr. Teeth / Waldorf / Swedish Chef / Link Hogthrob (voice)

Frank Oz
Miss Piggy / Fozzie Bear / Animal (voice)

Jerry Nelson
Camilla the Chicken / Ma Bear / Floyd Pepper / Robin the Frog (voice)

Richard Hunt
Scooter / Statler / Janice / Beaker / Tug Monster / Frog (voice)

Dave Goelz
The Great Gonzo / Dr. Bunsen Honeydew / Beauregard / Zoot / Frog (voice)

Steve Whitmire
Bean Bunny / Rizzo the Rat / Frog (voice)

Kevin Clash
Clifford / Alligator (voice)

Charles Grodin
Quentin Fitzwaller

Raven-Symoné
Young Girl

Michael Eisner
Self

Wayne Allwine
Mickey Mouse (voice) (uncredited)

Rickey Boyd
Uncle Deadly / Sprocket / Lips / Frog (voice)

David Rudman
Frog (voice)

Rick Lyon
Frog (voice)

Camille Bonora
Frog (voice)

BJ Guyer
Additional Muppet Performer (uncredited)