Question: When was the Irish actor born who's debut film was "300" (2007) and who was a star of Slow West?

Context articles: Michael Fassbender
Nick Dunning
Christian Byers
James Burke (actor)
Slow West
Pádraic Delaney
Derry Power
John Maclean (film director)
Tae Hyun-sil
Jeremy O'Keefe

Michael Fassbender (born 2 April 1977) is an Irish actor.
 His feature film debut was in the fantasy war epic "300" (2007) as a Spartan warrior; his earlier roles included various stage productions, as well as starring roles on television such as in the HBO miniseries "Band of Brothers" (2001) and the Sky One fantasy drama "Hex" (2004–05).
 He first came to prominence for his role as IRA activist Bobby Sands in "Hunger" (2008), for which he won a British Independent Film Award.
 Subsequent roles include in the independent film "Fish Tank" (2009), as a Royal Marines lieutenant in "Inglourious Basterds" (2009), as Edward Rochester in the 2011 film adaptation of "Jane Eyre", as Carl Jung in "A Dangerous Method" (2011), as the sentient android David 8 in "Prometheus" (2012) and its sequel, "" (2017), and in the musical comedy-drama "Frank" (2014) as an eccentric musician loosely inspired by Frank Sidebottom.
Nick Dunning (born 1959) is an Irish actor born in Wexford in 1959.
Christian Byers (born 31 July 1993, Sydney, New South Wales, Australia), is an Australian actor born on 31 July 1993 in Sydney.
 In 2006, he made his film debut in Opal Dream, before featuring in December Boys alongside Daniel Radcliffe.
 In 2007, Christian portrayed Jacob in Hey, Hey, It's Esther Blueburger.
 Christian is also the lead vocalist, second guitarist and organist of the band The Slippers.
 He is also participating in a Sydney-based television show,The Flip, as Maxx.
 He currently attends University of Technology, Sydney
James Burke (September 24, 1886 – May 23, 1968) was an American film and television actor born in New York City.
 He made his stage debut in New York around 1912 and went to Hollywood in 1933.
 He made over 200 film appearances during his career, which ranged from 1932 to 1964; he was more often than not cast as a cop, usually a none-too-bright one, most notably as Sgt. Velie in Columbia's Ellery Queen mysteries in the early 1940s.
 He appeared in "The Maltese Falcon", "At the Circus", "Lone Star", and many others.
 One of his best roles was as Charles Ruggles' rowdy rancher pal in "Ruggles of Red Gap".
Slow West is a 2015 British/New Zealand action western film written and directed by John Maclean in his directorial debut.
 It stars Kodi Smit-McPhee as a young man searching for his lost love in the American West, accompanied by a bounty hunter played by Michael Fassbender.
 It premiered at the 2015 Sundance Film Festival on January 24, 2015, where it was awarded the Sundance Institute's World Cinema Jury Prize: Dramatic Winner.
Pádraic Delaney (born 6 November 1977) is an Irish actor known for playing Teddy O'Donovan in the Ken Loach film "The Wind That Shakes the Barley", for which he earned an IFTA nomination as well as being named Irish Shooting Star for the 2007 Berlin Film Festival.
 In addition, he is known for his role as English aristocrat Lord George Boleyn, brother-in-law of King Henry VIII of England in Showtime's "The Tudors".
Derry Power (born 1935) is an Irish actor born in Dublin.
 He appeared in the first production of Brendan Behan's The Quare Fellow at Dublin's Pike Theatre in 1954.
 He is best known for playing management genius Seamus Finnegan in the BBC Television sitcom "The Fall and Rise of Reginald Perrin", with the classic line "Would you be having a joke there with a simple, tongue-tied Irishman from the land of the bogs and the little people?"
.
 In a long stage career he has featured in many plays in the Abbey Theatre; he has appeared in TV series from "Z-Cars" to "Ballykissangel" and in many films made in Ireland.
John Maclean is a Scottish film director, screenwriter and musician.
 He is best known for writing and directing "Slow West".
Tae Hyun-sil (born November 11, 1941) is a South Korean actress.
 Tae was born in Songjin, North Hamgyong province, Korea in 1941.
 While studying Film at Dongguk University, she was selected as a TV actress in a public recruit held by KBS.
 While preparing to star for a drama series, Tae was offered to be an exclusive actress of Shin Film established by Shin Sang-ok.
 Tae's debut film is "Beautiful Shroud" directed by Lee Hyeong-pyo in 1962.
 With the film, she won New Actress from the 1963 Buil Awards.
 Since her debut as an actress, Tae has starred in about 300 films.
 250 films were shot during 7 years, and were mostly roles in depicting a cheerful university student or cute daughter characters.
 Tae married businessman Kim Cheol-hwan in 1968.
Jeremy O'Keefe is an American filmmaker.
 His debut film, "Wrestling", was released in 2008.
 His short film, CLOSURE, was an Official Selection at the Frameline Festival, Southwest Gay and Lesbian Film Festival, the Hollywood Attack of the 50 Foot Reels Film Festival, the Festival Mix Milano and the North Carolina Gay & Lesbian Film Festival.
 His next film, "Somewhere Slow" starring Jessalyn Gilsig, of "Glee (TV Series)", who is also one of the film's producers won the Best Narrative Feature prize at the 2013 Brooklyn Film Festival.