How many movies have Alec Wheal and Cecile Hay-Arthur collaborated on?

They have worked on 3 movies together! Their first movie together was Doctor Who: Destiny of the Daleks (1979) while their highest rated movie together was Doctor Who: Vengeance on Varos (1985). They have not worked together since Doctor Who: Vengeance on Varos (1985). They are most known for their tv movie films together.