How many movies have Brian Ross and Michael Palin acted in together?

They have worked on 1 movie together! Their first movie together was Monty Python and the Holy Grail (1975) and was their highest rated movie together. They have not worked together since Monty Python and the Holy Grail (1975).

Role
Biff (Mudfighter) (uncredited)
Role
First Swallow-Savvy Guard / Dennis / Peasant 2 / Right Head / Sir Galahad the Pure / Narrator / King of Swamp Castle / Brother Maynard's Brother / Leader of The Knights Who Say NI!
Crew
Writer