Question: What occupation is shared by Dutch man Wilco Melissant and the American Lewis Seiler?

Context paragraphs:
Tugboat Annie Sails Again: Tugboat Annie Sails Again was a 1940 American comedy romance film sequel to "Tugboat Annie" (1933).  Marjorie Rambeau takes over the late Marie Dressler's role, and the supporting cast includes Alan Hale, Sr., Jane Wyman, and Ronald Reagan.  The movie was directed by Lewis Seiler.

Wilco van Kleef: Wilco van Kleef-Bolton "[formerly Wilco van Kleef]" (born February 16, 1981) is a Dutch man who, together with his wife Keisha van Kleef-Bolton, is the current record holder of The Tallest Living Married Couple in the World title as certified by "Guinness World Records".

Frontier Marshal (1934 film): Frontier Marshal is a 1934 American Pre-Code Western film directed by Lewis Seiler and starring George O'Brien.  Produced by Fox Film and Sol M. Wurtzel, the film is the first based on Stuart N. Lake's enormously popular but largely fictitious "biography" of Wyatt Earp, "".  A second version of the film, also produced by Wurtzel, was made in 1939, and a third interpretation by John Ford entitled "My Darling Clementine" was released in 1946.

Molly and Me: Molly and Me is a 1945 American comedy film directed by Lewis Seiler, starring Monty Woolley, Gracie Fields, Reginald Gardiner and Roddy McDowall and released by 20th Century Fox.  The screenplay was based on the novel written by Frances Marion and adapted by Roger Burford.  It was previously adapted in 1921 as "The Great Adventure" and again in 1933 as "His Double Life".

South of Suez: South of Suez is a 1940 American drama film directed by Lewis Seiler and starring George Brent, Brenda Marshall and George Tobias.  An alleged murder in an African diamond mine haunts a man many years later after he has returned to Britain.  The film was made as a programmer by Warner Brothers.  It was part of a cycle of British-themed films made by Hollywood studios during the era.

Wilco Melissant: Wilco Melissant (born December 8, 1968) is a Dutch director who directed various arthouse video productions for Witchhunt Productions, of which he himself is the chairman.  His productions were shown on the Dutch TV station RotterdamTV.

Doll Face: Doll Face is a 1945 American film directed by Lewis Seiler starring Vivian Blaine as "Doll Face" Carroll.  It also stars actor Dennis O'Keefe and singers Carmen Miranda and Perry Como.

Lewis Seiler: Lewis Seiler (September 30, 1890 – January 8, 1964) was an American film director.  He directed 88 films between 1923 and 1958.  He was born in New York, New York and died in Hollywood, California.

No Man's Gold: No Man's Gold is a 1926 American silent Western film directed by Lewis Seiler and written by John Stone.  The film stars Tom Mix, Eva Novak, Frank Campeau, Mickey Moore, Malcolm Waite and Forrest Taylor.  The film was released on August 29, 1926, by Fox Film Corporation.

International Squadron (film): International Squadron (aka Flight Patrol) is a 1941 American war film directed by Lewis Seiler and Lothar Mendes that starred Ronald Reagan, Olympe Bradna and in his final film, James Stephenson.  The film is based on the Eagle Squadrons, American pilots who volunteered to fly for the Royal Air Force during World War II.  "International Squadron" featured noted Hollywood pilot Paul Mantz who acted as the film's aerial coordinator and flew during the production.

Supporting paragraphs: Wilco Melissant Lewis Seiler
Answer: director