Question: Which actor staring in Darkest hour, has been active in television and film since 1964?

Context paragraphs:
Chris Gorak: Chris Gorak is an American film director who started as an art director and production designer.  He directed the 2006 film "Right at Your Door" and the 2011 film "The Darkest Hour".  Gorak began working in the film industry in the 1990s as an art director.  In the 2000s, he worked on several films as production designer before becoming a film director.

Iron Reagan: Iron Reagan is an American crossover thrash band from Richmond, Virginia, consisting of Municipal Waste vocalist Tony Foresta, Cannabis Corpse and Municipal Waste guitarist Phil "LandPhil" Hall, former A.N.S. guitarist Mark Bronzino, former Darkest Hour drummer Ryan Parrish, and Hellbear bassist Rob Skotis.  Since their formation in 2012, they have released three full-length albums, one EP and two split EPs.  Their 2014 album "The Tyranny of Will" peaked at 22 on the "Billboard" 200.

Darkest Hour (film): Darkest Hour is a 2017 British war drama film directed by Joe Wright and written by Anthony McCarten.  The film stars Gary Oldman as Winston Churchill, and follows his early days as Prime Minister as Hitler closes in on Britain in World War II (The Darkest Hour).  Ben Mendelsohn, Kristin Scott Thomas, Lily James, Stephen Dillane, and Ronald Pickup also star.

The Handshake Murders: The Handshake Murders was a Metalcore band from Fort Smith, Arkansas.  The band includes many members from Eso-Charis and Norma Jean.  When Eso-Charis, disbanded, Holmes made The Handshake Murders full-time.  The band has released one full-length album, and two EPs.  The band has been compared to Coalesce, Meshuggah, Botch, and A Life Once Lost and have gone on tour with bands such as The Chariot, Norma Jean, and Darkest Hour.  After 10 years of being active, the band broke-up.

Emile Hirsch: Emile Davenport Hirsch (born March 13, 1985) is an American actor.  He made his breakout roles for "Into the Wild" (2007) and the A&E network simulcast miniseries "Bonnie & Clyde" (2013).  Other films include "The Dangerous Lives of Altar Boys" (2002), "The Girl Next Door" (2004), "Lords of Dogtown" (2005), "Alpha Dog" (2006), "The Darkest Hour" (2011), "The Motel Life" (2012) and "Vincent N Roxxy" (2016).

Pipedown: Pipedown was a hardcore punk band from Northern California with radical leftist lyrics.  Starting in Grass Valley, California in 1997, their lyrics are often reminiscent of eco-anarchism, especially since they recommended readings such as "" (Theodore Kaczynski) and "Deep Ecology for the 21st Century" (George Sessions) on their first album "Enemies of Progress."  In 2003, Pipedown released "Mental Weaponry," again on A-F Records.  Over the course of this group's lifetime, Pipedown took part in over five full U.S. tours and two European tours spanning 8 countries; sharing stages with the bands: Anti-Flag, Thrice, The Bouncing Souls, Darkest Hour, The Lawrence Arms, Tsunami Bomb, etc.  On July 13, 2005 A-F Records announced Pipedown's breakup.  Currently, some of the members can be found playing in various bands, such as Ean Elliot Clevenger in NMBRSTTN and James K. in ÆQUOREA.

Their Darkest Hour: Their Darkest Hour: People Tested to the Extreme in WWII, is a book written by Laurence Rees which explores the stories of soldiers and civilians involved in the second world war.  It examines the experiences of Western Allied soldiers during the war, as well as the experiences of Axis and Soviet soldiers.  The stories are told in the format of short stories, between five and ten pages long, with the stories sub-categorised, displaced persons, POW's etc.  Unlike other books written by Laurence Rees it is not a companion to a television series.

So Sedated, So Secure: So Sedated, So Secure is the second full-length album from Darkest Hour.  The album gained the attention of independent record label Victory Records, who signed them following the success of their debut.  The album has since been re-released by Victory (March 7, 2006), featuring re-mixed audio, re-recorded vocals, new tracks, and artwork.

Ronald Pickup: Ronald Alfred Pickup (born 7 June 1940) is an English actor who has been active in television and film since 1964.

Lighting Their Darkest Hour: Lighting Their Darkest Hour is a soundtrack album from the film "".  It was released as an exclusive at the 2001 BotCon convention.  It features the complete score from the film by the film's composer Vince DiCola.  This album is considered a complete soundtrack score as it includes all the compositions heard in the final film.  Three tracks were first released on the original motion picture soundtrack back in 1986 and the rest were released on the BotCon'97 exclusive 2 disc "Til All Are One" album.

Supporting paragraphs: Darkest Hour (film) Ronald Pickup
Answer: Ronald Pickup