The Wild Thornberrys: The Origin of Donnie (2001)

Lacey Chabert

as Eliza Thornberry (voice)

Jodi Carlisle

as Marianne Thornberry (voice)

Tim Curry

as Nigel Thornberry (voice)

Flea

as Donald 'Donnie' Michael Thornberry (voice)

Danielle Harris

as Debbie Thornberry (voice)

Tom Kane

as Darwin (voice)

Betty White

as Grandma Sophie (voice)

A

Alan Henry Brown

as Sri Mayasandra (voice)

Arthur Burghardt

as Rhino / Monkey (voice)

Cara DeLizia

as Baru / Monkey (voice)

Moira Quirk

as Rehabilitation Worker / Monkey (voice)

Dwight Schultz

as Badouk / Monkey / Poacher (voice)

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Tuan Tran

as Kickboxing Instructor (voice)

Alfre Woodard

as Medicine Woman (voice)

Dee Bradley Baker

as Parrots (voice)

Patti Deutsch

as Female Rhinoceros Hornbill (voice)

Clyde Kusatsu

as Sun Bear (voice)

David Paymer

as Male Rhinoceros Hornbill (voice)

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Maureen Quinn

as Lugan (voice)

Pamela Adlon

as Saiful (voice)