"Mammy Water" is mother sea, source of food. Jean Rouch filmed this short documentary in the Gulf of Guinea, in Ghana, where is held a colorful festival, the Chama, in which the participants offer cassava, gin and tobacco to the spirits of water and sacrifice a white ox to thank them and express their gratitude and respect.
| Directing | Jean Rouch | Director |
| Writing | Jean Rouch | Writer |
| Production | Jean Rouch | Producer |
| Crew | Jean Rouch | Cinematography |
| Editing | Philippe Luzuy | Editor |
| Sound | Damouré Zika | Sound Recordist |
| Sound | Lam Ibrahim Dia | Sound Recordist |
