How many movies have Samuel Z. Arkoff and Trevor Crole-Rees collaborated on?

They have worked on 3 movies together! Their first movie together was Circus of Horrors (1960) while their highest rated movie together was The Abominable Dr. Phibes (1971). They have not worked together since Dr. Phibes Rises Again (1972). They are most known for their horror films together.