What's Up Superdoc!
What's Up Superdoc! is a 1978 British sex comedy film, directed by Derek Ford and starring Harry H. Corbett, Christopher Mitchell, Melvyn Hayes, Julia Goodman, Hughie Green, Bill Pertwee, Angela Grant, Chic Murray, Beth Porter and Sheila Steafel.
It was produced by Michael L. Green.
It was a sequel to the 1977 film" What's Up Nurse!", with Mitchell replacing Nicholas Field as the oversexed Dr. Todd.
Sex film star Mary Millington makes a brief appearance.
Beyond the Door III
Beyond the Door III, also known as Amok Train and Death Train, is a 1989 Italian horror film directed by Jeff Kwitny.
This third and final film is a part of the" Beyond the Door" trilogy, and like its predecessor" Beyond the Door II", is a sequel in- name- alone.
Elliot Silverstein
Elliot Silverstein( born August 3, 1927, in Boston, Massachusetts) is an American director, who is best known for being the director of the movie" Cat Ballou"( 1965).
Fritz Lang
Friedrich Christian Anton" Fritz" Lang( December 5, 1890 – August 2, 1976) was an Austrian- German- American filmmaker, screenwriter, and occasional film producer and actor.
One of the best- known" émigrés" from Germany's school of Expressionism, he was dubbed the" Master of Darkness" by the British Film Institute.
Lang's most famous films include the groundbreaking futuristic" Metropolis"( 1927) and the also influential" M"( 1931), a film noir precursor that he made before he moved to the United States.
Scotty Fox
Scott Fox is a pornographic film director who is a member of the AVN Hall of Fame.
Derek Ford
Derek Ford( 6 September 1932, Essex – 19 May 1995) was an English film director and writer, most famous for sexploitation films such as" The Wife Swappers"( 1970)," Suburban Wives"( 1971)," Commuter Husbands"( 1972)," Keep It Up, Jack"( 1973)," Sex Express"( 1975)( also filmed in a graphic hardcore version)," What's Up Nurse!"( 1977) and" What's Up Superdoc!"( 1978).
What's Up Nurse!
What's Up Nurse! is a 1977 British sex comedy film directed by Derek Ford and starring Nicholas Field, Felicity Devonshire and John Le Mesurier.
It tells the story of the adventures of a young doctor in a hospital.
A sequel" What's Up Superdoc!" was released the following year, with Christopher Mitchell replacing Nicholas Field as Dr Todd.
Beyond the Door (1982 film)
Beyond the Door( and also known as" Beyond Obsession") is a 1982 Italian drama film directed by Liliana Cavani.
Secret Beyond the Door
Secret Beyond the Door is a 1947 American film noir psychological thriller and a modern updating of the Bluebeard fairytale, directed by Fritz Lang, produced by Lang's Diana Productions, and released by Universal Pictures.
The film stars Joan Bennett and was produced by her husband Walter Wanger.
The black- and- white film noir drama is about a woman who suspects her new husband, an architect, plans to kill her.
Ben Palmer
Ben Palmer is a British film and television director who is known for being the director of" Bo' Selecta" and" The Inbetweeners".

Question: Which film has the director who is older than the other, What'S Up Superdoc! or Secret Beyond The Door? 
Answer: Secret Beyond The Door