How many movies have Alfred Abel and Julius E. Herrmann acted in together?

They have worked on 6 movies together! Their first movie together was Dr. Mabuse, the Gambler: Part 1 – The Great Gambler (1922) while their highest rated movie together was Dr. Mabuse, the Gambler (1922). They have not worked together since Und du mein Schatz fährst mit (1937).