"Operation OPEC - Terror Attack in Vienna" - On December 21, 1975, six terrorists including the Germans Gabriele Tiedemann and Hans-Joachim Klein, led by Venezuelan top terrorist Carlos, attack the participants of the OPEC conference in Vienna and take eleven oil ministers and dozens of employees hostage. The action kills three people. The lavishly researched film reveals the background of the spectacular attack and establishes connections. The investigators, former hostages and some of the terrorists involved are heard.
| Actor | Role |
|---|---|
 Hans-Joachim KleinSelf | Self |
 Ilich Ramírez SánchezSelf | Self |
| AAhmed Zaki YamaniSelf - Saudi Arabian Minister of Petroleum | Self - Saudi Arabian Minister of Petroleum |
 Gabriele TiedemannSelf (archive footage) | Self (archive footage) |
 Sonja SuderSelf (archive footage) | Self (archive footage) |
| EErnst WallascheckSelf - Staatspolizei Wein | Self - Staatspolizei Wein |
| EEnis al-AttarSelf - OPEC | Self - OPEC |
| AAnis al-NaqqashSelf | Self |
| WWadie HaddadSelf - PLO | Self - PLO |
| BBassam Abu SharifSelf - PLO | Self - PLO |