How many movies have Frithjof Vierock and Karl Lieffen acted in together?

They have worked on 3 movies together! Their first movie together was Toller Hecht auf krummer Tour (1961) while their highest rated movie together was Käpt'n Senkstakes Abenteuer - Ehrenhäuptling der Watubas (1974). They have not worked together since Schloßherren (1986).