Question: Park Hae-il received Best Actor honors for his role in which 2011 South Korean film?

Context articles: War of the Arrows
Rules of Dating
Boy Goes to Heaven
Kwon Soo-hyun (actor)
Blind (2011 film)
Love and...
Park Hae-il
Scent of Love
Paradise Murdered
My Dictator

War of the Arrows (), alternately titled Arrow: The Ultimate Weapon, is a 2011 South Korean period action film starring Park Hae-il, Ryu Seung-ryong and Moon Chae-won.
 Set after the Second Manchu invasion of Korea, the film is about an archer who risks his life to save his sister from slavery under Prince Dorgon's rule.
Rules of Dating () is a 2005 South Korean film starring Park Hae-il and Kang Hye-jung, and is the directorial debut of filmmaker Han Jae-rim.
Boy Goes to Heaven (), also known as A Boy Who Went to Heaven, is a 2005 South Korean film directed by Yoon Tae-yong, starring Yum Jung-ah and Park Hae-il.
Kwon Soo-Hyun (born August 18, 1986) is a South Korean actor.
 Three years into his acting career, Kwon finally got cast in the television series Run, Jang-Mi (2014), playing a vital part in the drama.
 He also starred in High Society (2015) and Another Oh Hae-Young (2016).
 He looks up to Park Hae-Il as his role model as he likes the latter acting.
Blind () is a 2011 South Korean crime thriller film directed by Ahn Sang-hoon with screenplay by Choi Min-seok which won the "Hit By Pitch" project fair held by the Korean Movie Producers Guild in 2009.
 It stars Kim Ha-neul and Yoo Seung-ho.
 Kim received Best Actress honors at the 48th Grand Bell Awards and the 32nd Blue Dragon Film Awards for her performance.
Love and... () is a 2015 South Korean drama film written and directed by Korean-Chinese filmmaker Zhang Lu and stars Park Hae-il, Ahn Sung-ki, Moon So-ri and Han Ye-ri.
 Commissioned by Seoul Senior Film Festival's support program, it consists of four parts – "Love," "Film," "Them" and "Love Again" – is a story within a story.
 It made its premiere as the opening film of the 8th Seoul Senior Film Festival in September 2015.
Park Hae-il (born January 26, 1977) is a South Korean actor.
 He began his acting career in theater, but soon gained the film industry's attention in 2003 with "Jealousy Is My Middle Name" and "Memories of Murder".
 Park's film career took off, with leading roles in films of diverse genres, including relationship drama "Rules of Dating" (2005), horror mystery "Paradise Murdered" (2007), and crime thriller "Moss" (2010).
 More recently, Park received Best Actor honors for his performance in the period action film "War of the Arrows", which was the highest-grossing Korean film of 2011.
 He also received critical acclaim for his role as an aging poet in "A Muse" (2012).
Scent of Love (국화꽃 향기 lit.
 Scent of Chrysanthemums) is a 2003 South Korean film, and the directorial debut of Lee Jeong-wook.
 The film is based on a novel of the same name by Kim Ha-in, and stars Jang Jin-young and Park Hae-il in the lead roles.
 Like her character, Jang Jin-young battled stomach cancer and died in 2009.
 The film received an around of 900,000 admissions nationwide and on May 16, 2003 the film was screened at the Cannes Film Festival.
Paradise Murdered (; lit.
 "Homicide Case on Paradise") is a 2007 South Korean film starring Park Hae-il and Park Sol-mi, and is the directorial debut of filmmaker Kim Han-min.
My Dictator () is a 2014 South Korean film directed and co-written by Lee Hae-jun, starring Sol Kyung-gu and Park Hae-il.