Daniela – a single mother, whose boyfriend left for the US – believes wholeheartedly in Cuba's revolutionary new order. Meanwhile, in Florida, a plot is afoot. Under the command of an American officer, four Cubans ex-patriots and a Guatemalan land on the Cuban coast to prepare a US invasion of the island. Daniela's superior, the corrupt Cuban officer Palomino, is secretly helping the invaders and the young woman becomes entangled in the intrigue.
Unfortunately the movie Preludio 11 is not yet available on HBO Max.
| Editing | Bärbel Weigel | Editor |
| Costume & Make-Up | Günter Schmidt | Costume Design |
| Writing | Gerhard Hartwig | Creative Producer |
| Art | Alfred Hirschmeier | Set Designer |
| Camera | Günter Haubold | Director of Photography |
| Camera | Waltraud Pathenheimer | Still Photographer |
| Writing | Wolfgang Schreyer | Screenplay |
| Directing | Kurt Maetzig | Director |
| Sound | Marta Valdis | Music |
| Production | Oneido Ríos | Unit Manager |
| Production | Margarita Alexandre | Production Manager |
| Production | Hans Mahlich | Production Manager |
| Art | Roberto Larrabure | Set Decoration |
| Costume & Make-Up | Lothar Stäglich | Makeup Artist |
| Costume & Make-Up | Rosemarie Stäglich | Makeup Artist |
| Directing | Pastor Vega | Assistant Director |
| Production | Humberto López y Guerra | Assistant Production Manager |
| Art | Willi Schäfer | Set Decoration |
| Camera | Klaus Zähler | Assistant Camera |
| Directing | Doris Borkmann | Assistant Director |
| Sound | Bernd Gerwien | Sound |
| Production | Heinz Fröhlich | Unit Manager |
