A documentary that follows Dr. Penny Patterson's current scientific study of Koko, a gorilla who communicates through American Sign Language.
Verdict: Unknown
> Barbet Schroeder (Director)> George Paul Csicsery (Assistant Director)> Néstor Almendros (Director of Photography)
N/A
Penny Patterson
Koko
Saul Kitchener
Carl Pribram
Roger Fouts
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