Koko: A Talking Gorilla
1h 25m
A documentary that follows Dr. Penny Patterson's current scientific study of Koko, a gorilla who communicates through American Sign Language.
| Actor | Role |
|---|---|
| PPenny PattersonHerself | Herself |
 KokoHerself | Herself |
| SSaul KitchenerHimself - Director Emeritus, San Francisco Zoo | Himself - Director Emeritus, San Francisco Zoo |
| CCarl PribramHimself - Professor of Neuroscience | Himself - Professor of Neuroscience |
| RRoger FoutsHimself | Himself |