How many movies have Ernst von Klipstein and Herbert Windt collaborated on?

They have worked on 3 movies together! Their first movie together was St. John's Fire (1939) while their highest rated movie together was Stalingrad: Dogs, Do You Want to Live Forever? (1959). They have not worked together since Stalingrad: Dogs, Do You Want to Live Forever? (1959). They are most known for their drama films together.