Ken Hughes
Kenneth Graham" Ken" Hughes( 19 January 1922 – 28 April 2001) was an English film director, writer and producer, who is best known as the co-writer and director of the children's film" Chitty Chitty Bang Bang"( 1968).
Ben Palmer
Ben Palmer is a British film and television director who is known for being the director of" Bo' Selecta" and" The Inbetweeners".
Dan Milne
Dan Milne is a British actor/ director who is possibly best known for his role in" EastEnders".
Logan Sandler
Logan Sandler is an American writer and director who is best known for his first feature film" Live Cargo".
Jazz Boat
Jazz Boat is a 1960 British musical comedy film directed by Ken Hughes and starring Anthony Newley, Anne Aubrey, Lionel Jeffries and big band leader Ted Heath and his orchestra.
Scotty Fox
Scott Fox is a pornographic film director who is a member of the AVN Hall of Fame.
Gordon Douglas (director)
Gordon Douglas( December 15, 1907 – September 29, 1993) was an American film director, who directed many different genres of films over the course of a five- decade career in motion pictures.
He was a native of New York City.
Roamin' Holiday
Roamin' Holiday is a 1937" Our Gang" short comedy film directed by Gordon Douglas.
It was the 155th" Our Gang" short released( 156th episode, 67th talking short, and 68th talking episode).
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).
Rufus Norris
Rufus Norris( born 16 January 1965) is a British theatre and film director, who is currently the Artistic Director of the National Theatre.

Question: Which film has the director who is older than the other, Roamin' Holiday or Jazz Boat? 
Answer: Roamin' Holiday