"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.

Hans-Joachim Klein
as Self

Ilich Ramírez Sánchez
as Self

Ahmed Zaki Yamani
as Self - Saudi Arabian Minister of Petroleum

Gabriele Tiedemann
as Self (archive footage)

Sonja Suder
as Self (archive footage)

Ernst Wallascheck
as Self - Staatspolizei Wein

Enis al-Attar
as Self - OPEC

Anis al-Naqqash
as Self

Wadie Haddad
as Self - PLO

Bassam Abu Sharif
as Self - PLO