Question: William Friedkin and Tom Noonan, share which occupations?

Context articles: Tom Noonan
The Wife (1995 film)
William Friedkin
Thomas Noonan
Paper Hearts
To Live and Die in L.A. (film)
Killer Joe (film)
What Happened Was
The Thin Blue Line (1965 film)
John Ford Noonan

Tom Noonan (born April 12, 1951) is an American actor, director, and screenwriter, perhaps best known for his role as Francis Dolarhyde in "Manhunter" (1986), Frankenstein's Monster in "The Monster Squad" (1987), Cain in "RoboCop 2" (1990), The Ripper in "Last Action Hero" (1993), Sammy Barnathan in "Synecdoche, New York" (2008) and as the voice of Everyone else in "Anomalisa" (2015).
The Wife is a 1995 film written and directed by Tom Noonan, based on his play "Wifey".
 The film was nominated for the Grand Jury Prize at the 1995 Sundance Film Festival, after Noonan had won the Grand Prize the previous year with What Happened Was....
William Friedkin (born August 29, 1935) is an American film director, producer and screenwriter best known for directing "The French Connection" in 1971 and "The Exorcist" in 1973; for the former, he won the Academy Award for Best Director.
 Some of his other films include "Sorcerer", "Cruising", "To Live and Die in L.A.", "Jade", "Rules of Engagement", "The Hunted", "Bug", and "Killer Joe".
Thomas Noonan, Tom Noonan or Tommy Noonan may refer to:
"Paper Hearts" is the tenth episode of the fourth season of the American science fiction television series "The X-Files".
 It premiered on the Fox network on December 15, 1996.
 It was written by Vince Gilligan, directed by Rob Bowman, and featured guest appearances by Tom Noonan, Rebecca Toolan and Vanessa Morley.
 The episode is a "Monster-of-the-Week" story, unconnected to, but conversant with, the series' wider mythology.
 "Paper Hearts" was viewed by 16.59 million people in its initial broadcast, and received positive reviews, with critics praising Noonan's guest role.
To Live and Die in L.A. is a 1985 American action thriller film directed by William Friedkin and based on the novel by former U.S. Secret Service agent Gerald Petievich, who co-wrote the screenplay with Friedkin.
 The film features William Petersen, Willem Dafoe and John Pankow among others.
 Wang Chung composed and performed the original music soundtrack.
 The film tells the story of the lengths to which two Secret Service agents go to arrest a counterfeiter.
Killer Joe is a 2011 American Southern Gothic black comedy crime film directed by William Friedkin.
 The screenplay by Tracy Letts is based on his 1993 play of the same name.
 The film stars Matthew McConaughey in the title role, Emile Hirsch, Juno Temple, Gina Gershon, and Thomas Haden Church.
 Friedkin and Letts had similarly collaborated on the 2006 film "Bug".
What Happened Was... is a 1994 American independent film written for the screen, directed by and starring Tom Noonan.
 It is an adaptation of Noonan's original stage play of the same name.
The Thin Blue Line was the second of three documentaries William Friedkin made for producer David Wolper.
 It focused on the police force, and the experience making it influenced Friedkin on "The French Connection".
John Ford Noonan (born 1943 in Greenwich, Connecticut) is an American playwright.
 He has also written for theater, film and television, and he is an actor.
 His father worked as a jazz musician.
 He has four children.
 His brother, Tom Noonan, is an actor and writer.