How many movies have Alan Napier and Skelton Knaggs acted in together?

They have worked on 4 movies together! Their first movie together was Isle of the Dead (1945) while their highest rated movie together was Moonfleet (1955). They have not worked together since Moonfleet (1955).

Role
Houdon De Pierremont, Police Minister
Role
Cousin Pierre
Role
St. Aubyn
Role
Andrew Robbins (uncredited)