Question: Frank is a 2014 comedy-drama film directed by Lenny Abrahamson, it stars which Irish actor, and his feature film debut was in the fantasy war epic "300" (2007) as a Spartan warrior?

Context articles: Frank (film)
Faults (film)
The Little Stranger (film)
300: Rise of an Empire
Jack Reynor
Room (2015 film)
What Richard Did
Michael Fassbender
Garage (film)
List of accolades received by Room

Frank is a 2014 comedy-drama film directed by Lenny Abrahamson, produced by David Barron, Ed Guiney and Stevie Lee and written by Jon Ronson and Peter Straughan.
 It stars Michael Fassbender, Domhnall Gleeson, Maggie Gyllenhaal, Scoot McNairy, and François Civil.
Faults is a 2014 comedy-drama film written and directed by Riley Stearns in his feature film debut.
 The film stars Mary Elizabeth Winstead, Leland Orser, Jon Gries, Beth Grant, Chris Ellis and Lance Reddick.
 The film premiered at the 2014 SXSW on March 9, 2014, and was picked up by Screen Media Films for theatrical release on March 6, 2015.
The Little Stranger is an upcoming British mystery horror drama film directed by Lenny Abrahamson and written by Lucinda Coxon, based on the novel of same name by Sarah Waters.
 The film stars Domhnall Gleeson, Ruth Wilson, Will Poulter, and Charlotte Rampling.
300 Rise of an Empire is a 2014 American epic historical fantasy war film directed by Noam Murro.
 It is a follow-up to the 2006 film "300", taking place before, during and after the main events of that film and based on the Battle of Artemisium and the Battle of Salamis.
 It is based on the as-yet-unreleased Frank Miller graphic novel "Xerxes".
 Zack Snyder, who directed and co-wrote the original film, acts as writer and producer on "Rise of an Empire".
Jack Reynor (born January 23, 1992) is an American-born Irish actor.
 His notable roles include the lead in Lenny Abrahamson's film "What Richard Did" (2012), for which he won an IFTA Award for Best Film Actor; the blockbuster ""; "Glassland", for which he won the World Cinema Dramatic Special Jury Award for Acting at the Sundance Film Festival; "Macbeth"; and "Sing Street".
Room is a 2015 independent drama film directed by Lenny Abrahamson and written by Emma Donoghue, based on her novel of the same name.
 It stars Brie Larson as a woman who has been held captive for seven years, and whose 5-year-old son (Jacob Tremblay) was born in captivity.
 Their escape allows the boy to experience the outside world for the first time.
 The film also stars Joan Allen, Sean Bridgers, and William H. Macy.
What Richard Did is a 2012 Irish film directed by Lenny Abrahamson and written by Malcolm Campbell.
 The film is loosely based on Kevin Power's "Bad Day in Blackrock", a fictionalised novel inspired by the real-life death of Brian Murphy in 2000.
 It won the best Irish film of the year award at the 10th Irish Film & Television Awards and was the most commercially successful Irish film of 2012.
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.
Garage is a 2007 Irish film directed by Lenny Abrahamson and written by Mark O'Halloran, the same team behind "Adam & Paul".
 It stars Pat Shortt, Anne-Marie Duff and Conor J. Ryan.
 The film tells the story of a lonely petrol station attendant and how he slowly begins to come out of his shell.
"Room" is a 2015 Canadian-Irish drama film directed by Lenny Abrahamson.
 It is an adaptation of Emma Donoghue's novel of the same name who also wrote the screenplay.
 Brie Larson stars as Joy Newsome, an abducted mother held captive for seven years with her five-year-old son Jack, played by Jacob Tremblay.
 Joan Allen, William H. Macy, and Sean Bridgers feature in supporting roles in the film.
 "Room" premiered at the Telluride Film Festival on September 4, 2015, with A24 later providing the film a wide release on January 22, 2016 at over 800 theaters in the United States and Canada.
 The film grossed a worldwide box office total of over $35 million on a production budget of $13 million.
 Rotten Tomatoes, a review aggregator, surveyed 261 reviews and judged 94 percent to be positive.