How many movies have Randy Piper and Steve Riley acted in together?

They have worked on 2 movies together! Their first movie together was W.A.S.P. | Live at the Lyceum, London (1984) while their highest rated movie together was W.A.S.P. | First Blood... Last Visions... (1993). They have not worked together since W.A.S.P. | First Blood... Last Visions... (1993).