A self-potrait of the influent Swiss psychologist Jean Piaget.
| Directing | Jean Piaget | Director |
| Directing | Claude Goretta | Director |
| Editing | Joële Van Effenterre | Editor |
| Camera | Willy Rohrbach | Camera Operator |
| Camera | Claude Stebler | Camera Operator |
| Sound | Marcel Sommerer | Sound |
| Directing | Bertrand Van Effenterre | Assistant Director |
| Camera | Jean Mohr | Still Photographer |
| Visual Effects | Herman Wetter | Visual Effects |
| Crew | Eleanor Duckworth | Translator |
| Production | Howard Sayre Weaver | Executive Producer |
