James McParland
James McParland(" né" McParlan; 1844, County Armagh, Ireland – 18 May 1919, Denver, Colorado) was an American private detective and Pinkerton agent.
McParland arrived in New York in 1867.
He worked as a laborer, policeman and then in Chicago as a liquor store owner until the Great Chicago Fire of 1871 destroyed his business.
He then became a private detective, noted for his success against the Molly Maguires.
Sleepers West
Sleepers West is a 1941 drama film directed by Eugene Forde and starring Lloyd Nolan and Lynn Bari.
This second entry in 20th Century-Fox's "Michael Shayne" series was a remake of the 1934 Fox romantic drama "Sleepers East" from the novel "Sleepers East" (1933) by Frederick Nebel.
The film "Michael Shayne - Private Detective" (1940) was the first in a series of 12 films.
Lloyd Nolan starred as Shayne until the series was dropped by Twentieth Century-Fox and picked up by PRC.
In the PRC series, Hugh Beaumont played Shayne.
Men at a Dangerous Age
Men at a Dangerous Age  is a 1954 West German comedy film directed by Carl-Heinz Schroth and starring Hans Söhnker, Liselotte Pulver and Annie Rosar.
The film's sets were designed by Mathias Matthies and Ellen Schmidt.
A Dangerous Age
A Dangerous Age is a 1958 film directed by Sidney J. Furie.
Walter Sydney Hammond
Walter Sydney Hammond( 2 July 1906–13 December 1982) was a New Zealand policeman, private detective and bailiff.
He was born in Gravesend, Kent, England on 2 July 1906.
Michael Shayne, Private Detective
Michael Shayne, Private Detective is a 1940 American mystery film directed by Eugene Forde and starring Lloyd Nolan, Marjorie Weaver and Joan Valerie.
It is based on Brett Halliday's novel "The Private Practice of Michael Shayne".
It was the first in a series of Michael Shayne films starring Nolan.
David Tidhar
David Tidhar( 7 June 1897 – 15 December 1970) was a Jewish- Israeli police officer, private detective and author.
Carl-Heinz Schroth
Carl-Heinz Schroth (29 June 1902 – 19 July 1989) was a German actor and film director.
He appeared in 60 films between 1931 and 1989.
He also directed seven films between 1953 and 1963.
He was born in Innsbruck, Austria to Else Ruttersheim and film and stage actor Heinrich Schroth and died in Munich, Germany.
His younger half-sister was actress Hannelore Schroth, from his father's marriage to actress Käthe Haack.
He was married to the actress Karin Jacobsen.
Walter Dinnie
Walter Dinnie( 26 December 1850 – 7 May 1923) was a New Zealand police commissioner, private detective and land board chairman.
He was born on 26 December 1850.
Eugene Forde
Eugene Forde (1898–1986) was an American film director.

Question: Do both films Michael Shayne, Private Detective and Men At A Dangerous Age have the directors that share the same nationality?
Answer: no