How many movies have Diki Lerner and Waldon O. Watson collaborated on?

They have worked on 2 movies together! Their first movie together was Coogan's Bluff (1968) while their highest rated movie together was Sweet Charity (1969). They have not worked together since Sweet Charity (1969).

Role
Man with Dog on Bridge (uncredited)
Crew
Sound
Role
Gay Boy at Pigeon-Toed Orange Peel (uncredited)
Crew
Sound