How many movies have Michael Medwin and Peter Jeffrey acted in together?

They have worked on 3 movies together! Their first movie together was if.... (1968) and was their highest rated movie together. They have not worked together since Britannia Hospital (1982). They are most known for their comedy films together.

Crew
Producer
Role
Factory Chairman / Prison Governor
Role
Army Captain/Power Station Technician/Duke of Belminster