A documentary that follows Dr. Penny Patterson's current scientific study of Koko, a gorilla who communicates through American Sign Language.
Released: Oct 11, 1978
Runtime: 85 minutes
Genre: Documentary
Stars: Penny Patterson, Koko, Saul Kitchener, Carl Pribram, Roger Fouts
Crew: Barbet Schroeder (Director), George Paul Csicsery (Assistant Director), Margaret Ménégoz (Producer), Dale Djerassi (Associate Producer), Barbet Schroeder (Associate Producer), Guta Cattoni (Original Music Composer)