Documentary about a diving expedition in the Red Sea by diving pioneer and marine biologist Hans Hass.
| Actor | Role |
|---|---|
 Hans Hasshimself | himself |
 Lotte Hassherself | herself |
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Documentary about a diving expedition in the Red Sea by diving pioneer and marine biologist Hans Hass.
| Actor | Role |
|---|---|
| Hans Hasshimself | himself |
| Lotte Hassherself | herself |