How many movies have Heinz Hoppel and Martin Rassau collaborated on?

They have worked on 1 movie together! Their first movie together was 6 auf See (2000) and was their highest rated movie together. They have not worked together since 6 auf See (2000).

Crew
Music
Role
Waltraud Lehneis / Annelise Kaltengruber / Hepp
Crew
Screenplay