How many movies have Charles Dierkop and Jack Martin Smith collaborated on?

They have worked on 3 movies together! Their first movie together was Voyage to the Bottom of the Sea (1961) while their highest rated movie together was Butch Cassidy and the Sundance Kid (1969). They have not worked together since Butch Cassidy and the Sundance Kid (1969). They are most known for their adventure films together.