Koko: A Talking Gorilla
A documentary that follows Dr. Penny Patterson's current scientific study of Koko, a gorilla who communicates through American Sign Language.
Cast
Penny Patterson
as Herself
Koko
as Herself
Saul Kitchener
as Himself - Director Emeritus, San Francisco Zoo
Carl Pribram
as Himself - Professor of Neuroscience
Roger Fouts
as Himself
