How many movies have Egon Riedel and Heinrich Giskes collaborated on?

They have worked on 3 movies together! Their first movie together was Biikenbrennen - Der Fluch des Meeres (1999) while their highest rated movie together was The Hunt for the Hidden Relic (2002). They have not worked together since Agent Ranjid rettet die Welt (2012). They are most known for their thriller films together.