How many movies have Ken Ritchie and Marianne Stone collaborated on?

They have worked on 5 movies together! Their first movie together was Don't Raise the Bridge, Lower the River (1968) while their highest rated movie together was Whoever Slew Auntie Roo? (1972). They have not worked together since Craze (1974). They are most known for their horror films together.

Crew
Sound Mixer
Role
Jane - Barmaid