How many movies have Peter O'Toole and Robin Gregory collaborated on?

They have worked on 6 movies together! Their first movie together was Murphy's War (1971) while their highest rated movie together was Man Friday (1975). They have not worked together since Supergirl (1984).

Role
Robinson Crusoe
Crew
Sound Recordist
Role
Jack 14th Earl of Gurney
Crew
Sound Mixer