Ralph Herforth (born January 15, 1960) is a German actor known for his roles in Knockin' on Heaven's Door (1997), Æon Flux (2005) Speed Racer (2008), and The Zone of Interest (2023). Ralph Herforth (born January 15, 1960) is a German actor known for his roles in Knockin' on Heaven's Door (1997), Æon Flux (2005) Speed Racer (2008), and The Zone of Interest (2023).