How many movies have Ingo and Ralf Martin collaborated on?
They have worked on 1 movie together! Their first movie together was Sex Klinik (2005) and was their highest rated movie together. They have not worked together since Sex Klinik (2005).
They have worked on 1 movie together! Their first movie together was Sex Klinik (2005) and was their highest rated movie together. They have not worked together since Sex Klinik (2005).
