Question: Charles Hutchison and Reginald Barker, have which mutual occupation?

Context paragraphs:
Bachelor Mother (1932 film): Bachelor Mother is a 1932 Pre-Code action film directed by Charles Hutchison.

Charles Hutchison: Charles Hutchison (December 3, 1879 – May 30, 1949) was an American film actor, director and screenwriter.  He appeared in 49 films between 1914 and 1944.  He also directed 33 films between 1915 and 1938.  Though he directed numerous independent silent features, he is best remembered today as Pathé's leading male serial star from 1918 to 1922.  In 1923 he went to Britain and made two films "Hutch Stirs 'em Up" and "Hurricane Hutch in Many Adventures" for the Ideal Film Company.  He made one last serial in 1926, "Lightning Hutch", for Arrow Film Company.  It was meant to be a comeback vehicle, but the production company went into bankruptcy just as it was released.

The Coward (1915 film): The Coward is a 1915 American silent historical war drama film directed by Reginald Barker and produced by Thomas H. Ince.  Ince also wrote the film's story and scenario with C. Gardner Sullivan.  The film stars Frank Keenan and Charles Ray.  John Gilbert also appears in an uncredited bit part.  A copy of "The Coward" is preserved at the Museum of Modern Art.

Reginald Barker: Reginald C. Barker (April 2, 1886 – February 23, 1945) was a pioneer film director.

The Wrath of the Gods (1914 film): The Wrath of the Gods is a 1914 American silent drama film directed by Reginald Barker, and starring Sessue Hayakawa, Tsuru Aoki, Frank Borzage, Thomas Kurihara and Henry Kotani in the lead roles.  This was the first feature film appearance of Hayakawa and the directorial debut of Barker.

Out of Singapore: Out of Singapore is a 1932 American drama film directed by Charles Hutchison.  The film was re-released by Astor Pictures in 1941 as Gangsters of the Sea.

Hutch Stirs 'em Up: Hutch Stirs 'em Up is a 1923 British silent comedy action film directed by Frank Hall Crane and starring Charles Hutchison, Joan Barry and Malcolm Tod.  It was based on the novel "The Hawk of Rede" by Harry Harding.

Forbidden Heaven: Forbidden Heaven is a 1935 American drama film directed by Reginald Barker and written by Sada Cowan and Jefferson Parker.  The film stars Charles Farrell, Charlotte Henry, Beryl Mercer, Fred Walton, Eric Wilton and Phyllis Barry.  The film was released on October 5, 1935, by Republic Pictures.

Phantom Patrol: Phantom Patrol is a 1936 American film directed by Charles Hutchison.

Hurricane Hutch in Many Adventures: Hurricane Hutch in Many Adventures is a 1924 British silent comedy action film directed by Charles Hutchison and starring Charles Hutchison, Warwick Ward and Malcolm Tod.

Supporting paragraphs: Charles Hutchison Reginald Barker
Answer: film director