Harold Nebenzal, son of Seymour Nebenzal, sat down with Criterion in 2004 to discuss his father’s pioneering independent company, Nero Films, producer of such titles as PANDORA’S BOX, M, THE THREEPENNY OPERA, and THE TESTAMENT OF DR. MABUSE. Harold worked on his father’s 1951 remake of M and on CABARET, and is the author of the novel “Café Berlin.”