 In an Interview given back in February 1989 he stated how his involvement begin with "Carlton was Stapenhorst, and then there was an Austrian producer who made his money primarily from petrol stations and was a very stubborn, mindless, peasant person.He had a contract with the Knef and, according to his idea, the Knef should be the Mandrake after the sinner (1951) and Erich von Stroheim the genius-crazy scientist.