Question: What profession do American's Daniel Myrick and Mack V. Wright have in common?

Context articles: The Objective
Believers (film)
Alien Raiders
Blair Witch
The Blair Witch Project
Ben Rock
Eduardo Sánchez (director)
Daniel Myrick
Solstice (film)
Mack V. Wright

The Objective is a 2008 science fiction horror film directed by Daniel Myrick who also directed "The Blair Witch Project" and "Believers", starring Jonas Ball, Matthew R. Anderson, and Michael C. Williams.
 It premiered in Morocco in April 2008 and in the United States in February 2009.
Believers is a 2007 thriller film directed by the award-winning filmmaker Daniel Myrick and written by Myrick, Julia Fair and Daniel Noah.
 The film was distributed by Warner Bros. as a straight-to-DVD release in the United States and elsewhere.
Alien Raiders is a 2008 American science fiction horror film, starring Carlos Bernard, Rockmond Dunbar and Mathew St. Patrick.
 The film is Ben Rock's first feature film as a director.
 The film was produced by Daniel Myrick, John Shiban, and Tony Krantz, and was released by Warner Home Video and Raw Feed in September 2008.
Blair Witch is a horror film franchise distributed by Artisan Entertainment (now Lionsgate) and produced by Haxan Films that consists of three feature films and various merchandise products.
 The development of the franchise's first installment, "The Blair Witch Project", started in 1993.
 The filmmakers Eduardo Sánchez and Daniel Myrick wrote a 35-page outline of a story with the dialogue to be improvised.
 Filming began in 1997 and lasted eight days.
 The film follows the disappearance of three student filmmakers in the woods near Burkittsville, Maryland while shooting a documentary on the local legend known as the "Blair Witch".
The Blair Witch Project is a 1999 American psychological horror film written, directed, and edited by Daniel Myrick and Eduardo Sánchez.
 It tells the fictional story of three student filmmakers (Heather Donahue, Michael C. Williams, and Joshua Leonard) who hike in the Black Hills near Burkittsville, Maryland, in 1994 to film a documentary about a local legend known as the Blair Witch.
 The three disappear, but their video and sound equipment (along with most of the footage they shot) is discovered a year later; the "recovered footage" is the film the viewer is watching.
Ben Rock is an American film and theatre director, based in Los Angeles.
 Rock's career was launched when he served as production designer on the independent sensation "The Blair Witch Project" made by fellow University of Central Florida graduates Daniel Myrick, Eduardo Sanchez, Greggory R. Hale, Robin Cowie and Michael Monello.
 Rock created the infamous "stick man" symbol that became synonymous with the hit film.
Eduardo Miguel Sánchez-Quiros (born December 20, 1968) is a Cuban-born American director, most famous for co-directing and writing the 1999 psychological horror "The Blair Witch Project" with Daniel Myrick.
Daniel Myrick (born September 3, 1963) is an American film director most famous for horror films, especially for co-directing and writing the 1999 psychological horror "The Blair Witch Project" with Eduardo Sánchez, for which they won the Independent Spirit John Cassavetes Award.
Solstice is a 2008 American horror film directed by Daniel Myrick and co-written by Myrick, Ethan Erwin and Martin Musatov.
 The film is a remake of the 2003 Swedish-Danish thriller "Midsommer".
Mack V. Wright (9 March 1894 – 14 August 1965) was an American actor and film director.
 Active as a director from 1920 to the late 1940s, he also had an extensive career as an assistant director, second-unit director and production manager.
 His heyday was in the 1930s, when he directed or co-directed serials for Republic Pictures and made westerns for Monogram Pictures, often with John Wayne.
 He was also an actor, appearing in his first film in 1914 and his last in 1934, almost all of them westerns.