Question: What profession does Ken Annakin and Daniel Petrie have in common?

Context articles: Daniel Petrie
Toy Soldiers (1991 film)
The Story of Robin Hood and His Merrie Men
Miranda (1948 film)
Fort Apache, The Bronx
Battle of the Bulge (film)
Those Magnificent Men in their Flying Machines
The Pirate (1978 film)
Ken Annakin
The Planter's Wife (1952 film)

Daniel Mannix Petrie (November 26, 1920 – August 22, 2004) was a Canadian television and film director.
Toy Soldiers is a 1991 American action drama film directed by Daniel Petrie, Jr., with a screenplay by Petrie and David Koepp.
 It stars Sean Astin, Wil Wheaton, Louis Gossett, Jr., Andrew Divoff, Mason Adams and Denholm Elliott.
The Story of Robin Hood and His Merrie Men is a 1952 live action Disney version of the Robin Hood legend made in Technicolor and filmed in Buckinghamshire, England.
 It was written by Lawrence Edward Watkin and directed by Ken Annakin.
 This is the second of Disney's complete live-action films, after "Treasure Island" (1950), and the first of four films Annakin directed for Disney.
Miranda is a 1948 British comedy film, directed by Ken Annakin and written by Peter Blackmore, who also wrote the play of the same name from which the film was adapted.
 Denis Waldock provided additional dialogue.
 A light comedy, the film is about a beautiful and playful mermaid played by Glynis Johns and her effect on Griffith Jones' character.
 Googie Withers and Margaret Rutherford are also featured in the film.
 Glynis Johns and Margaret Rutherford reprised their roles in the 1954 sequel, "Mad About Men".
Fort Apache, The Bronx is a 1981 American crime drama film directed by Daniel Petrie.
 The film is about a hard-drinking, lonely veteran cop, Murphy, (Paul Newman) and his young partner Corelli (Ken Wahl), who work in a crime-ridden precinct in The Bronx.
 Although Murphy's life takes a good turn when he falls in love with Isabella (Rachel Ticotin), a young nurse, the arrival of a new, law-and-order-minded police chief, Connoly (Ed Asner) threatens to tip the neighborhood's delicate balance into anarchy.
 Danny Aiello, Kathleen Beller, and Pam Grier play supporting roles.
 It was written by Heywood Gould and produced by Martin Richards, Thomas Fiorello, with David Susskind as executive producer.
Battle of the Bulge is a 1965 American widescreen epic war film produced in Spain, directed by Ken Annakin, and starring Henry Fonda, Robert Shaw, Telly Savalas, Robert Ryan, Dana Andrews and Charles Bronson.
 The feature was filmed in Ultra Panavision 70 and exhibited in 70 mm Cinerama.
 "Battle of the Bulge" had its world premiere on December 16, 1965, the 21st anniversary of the titular battle, at the Pacific Cinerama Dome Theatre in Hollywood, California.
Those Magnificent Men in their Flying Machines; Or, How I Flew from London to Paris in 25 Hours 11 Minutes is a 1965 British comedy film starring Stuart Whitman, Sarah Miles, Robert Morley, Terry-Thomas, James Fox and Alberto Sordi, directed and co-written by Ken Annakin.
The Pirate is a 1978 American two-part, four-hour television miniseries directed by Ken Annakin.
 It is based on the novel with the same title written by Harold Robbins.
 It was broadcast in two parts by CBS on November 21–22, 1978.
Kenneth Cooper "Ken" Annakin, OBE (10 August 1914 – 22 April 2009) was a prolific English film director.
The Planter's Wife is a 1952 British drama film directed by Ken Annakin, and starring Claudette Colbert, Jack Hawkins and Anthony Steel.
 It is set against the backdrop of the Malayan Emergency and focuses on a rubber planter and his neighbours who are fending off a campaign of sustained attacks by Communist insurgents while also struggling to save their marriage.