How many movies have Eric Idle and John Foster collaborated on?

They have worked on 2 movies 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 Life of Brian (1979).

Role
Mr. Cheeky / Stan 'Loretta' / Harry the Haggler / Culprit Woman / Warris / Intensely Dull Youth / Jailer's Assistant / Otto / Lead Singer Crucifee
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Role
Dead Collector / Peasant 1 / Sir Robin the Not-Quite-So-Brave-as-Sir Launcelot / First Swamp Castle Guard / Concorde / Roger the Shrubber / Brother Maynard
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Writer