A research expedition to the Persian Gulf and a dive near Bahrain in search of oil. The film was sponsored by the French arm of British Petroleum, and featured the ship Calypso which later became world famous.
| Directing | Louis Malle | Director |
| Writing | Louis Malle | Writer |
| Sound | Jean Wiener | Original Music Composer |
| Production | Jacques-Yves Cousteau | Producer |
| Camera | Louis Malle | Director of Photography |