Casting Principal
Lacey Chabert
Eliza Thornberry (voice)
Jodi Carlisle
Marianne Thornberry (voice)
Tim Curry
Nigel Thornberry (voice)
Flea
Donald 'Donnie' Michael Thornberry (voice)
Danielle Harris
Debbie Thornberry (voice)
Tom Kane
Darwin (voice)
Betty White
Grandma Sophie (voice)
Alan Henry Brown
Sri Mayasandra (voice)
Arthur Burghardt
Rhino / Monkey (voice)
Cara DeLizia
Baru / Monkey (voice)
Moira Quirk
Rehabilitation Worker / Monkey (voice)
Dwight Schultz
Badouk / Monkey / Poacher (voice)