Peter Levin
Peter Levin is an American director of film, television and theatre.
Edmund Heuberger
Edmund Heuberger (1883–1962) was a Swiss art director, screenwriter and film director.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Murder in the Blue Room
Murder in the Blue Room is a 1944 American film directed by Leslie Goodwins.
It is the second remake of the 1933 American Pre- Code murder- mystery film" Secret of the Blue Room," the first being Universal's 1938 remake," The Missing Guest."
Faithful to the original plot," Murder in the Blue Room" plays up the comedy with songs.
The plot is based on the 1932 German film" Secret of the Blue Room".
Secret Police (film)
Secret Police  is a 1929 German film directed by Edmund Heuberger and starring Anton Pointner, Eddie Polo and Rina Marsa.
The film's art direction was by Gustav A. Knauer and Willy Schiller.
It was released by the German subsidiary of Universal Pictures.
Robert Wright (special effects artist)
Robert Wright was an American special effects artist.
He was nominated for an Academy Award for Best Special Effects at the 17th Academy Awards for work on the film" Secret Command".
John Farrell (businessman)
John Farrell is the director of YouTube in Latin America.
David Allen (special effects artist)
David Allen was an American special effects artist.
He was nominated for an Academy Award for Best Special Effects at the 17th Academy Awards for work on the film" Secret Command".
Dana Blankstein
Dana Blankstein- Cohen( born March 3, 1981) is the director of the Israeli Academy of Film and Television.
She is a film director, and an Israeli culture entrepreneur.
Harry Kusnick
Harry Kusnick was an American sound engineer.
He was nominated for an Academy Award for Best Special Effects at the 17th Academy Awards( 1945) for work on the film" Secret Command".

Question: Which country the director of film Secret Police (Film) is from?
Answer: Swiss