How many movies have Pentti Irjala and Pentti Silvennoinen collaborated on?

They have worked on 2 movies together! Their first movie together was Jussi Pussi (1970) while their highest rated movie together was Speedy Gonzales – noin 7 veljeksen poika (1970). They have not worked together since Speedy Gonzales – noin 7 veljeksen poika (1970).