How many movies have David Rosenthal and Ritchie Blackmore acted in together?

They have worked on 1 movie together! Their first movie together was Ritchie Blackmore's Rainbow - Live At Budokan 1984 (2006) and was their highest rated movie together. They have not worked together since Ritchie Blackmore's Rainbow - Live At Budokan 1984 (2006).