Documentary by Jean-Pierre Gorin about twin girls who spontaneously developed their own unique language as children.
Unfortunately the movie Poto and Cabengo is not yet available on HBO Max.
| Directing | Jean-Pierre Gorin | Director |
| Writing | Jean-Pierre Gorin | Writer |
| Production | Jean-Pierre Gorin | Producer |
| Editing | Greg Durbin | Editor |
| Camera | Greg Durbin | Assistant Camera |
| Editing | Laraine Mestman | Assistant Editor |
| Editing | Lynn Burnstan | Assistant Editor |
| Editing | Anna Boorstin | Assistant Editor |
| Camera | Maureen Gosling | Still Photographer |
| Editing | Chris Weber | Negative Cutter |
| Editing | Tom Sartori | Colorist |
| Editing | Josh Rushton | Color Timer |
| Crew | Manny Farber | Thanks |
| Crew | Patricia Patterson | Thanks |
| Crew | Tom Luddy | Thanks |
| Crew | Alice Waters | Thanks |
| Camera | Les Blank | Director of Photography |
| Sound | Maureen Gosling | Sound |
