How many movies have Felix Holzmann and Karel Gott acted in together?

They have worked on 6 movies together! Their first movie together was Silvestr budiž pestr aneb Do půlnoci mnoho času nezbývá (1972) while their highest rated movie together was Silvestr 1978 (1978). They have not worked together since Felix Holzmann: Včera, dnes a zítra (2004).