Are both Michael Hofmann and Paul Bogart film directors?
Michael Hofmann (director) Michael Hofmann (born 1961) is a German film director.
The Return of Doctor X The Return of Doctor X (also billed as The Return of Dr. X) is a 1939 American science fiction-horror film directed by Vincent Sherman and starring Wayne Morris, Rosemary Lane, and Humphrey Bogart as the title character. It was based on the short story "The Doctor's Secret" by William J. Makin. Despite supposedly being a sequel to "Doctor X" (1933), also produced by Warner Bros., the films are unrelated.