Question: What Shin Tae-ra directed film featured former musical theatre actor Kang Ji-hwan?

Context paragraphs:
Kai (musician, born 1981): Jung Ki-Yeol (born December 5, 1981), known professionally as Kai, is a South Korean singer and musical theatre actor.  He is best known in musical theatre, and has starred in Korean productions of "A Tale of Two Cities", "The Three Musketeers" and "Phantom".

The Relation of Face, Mind and Love: The Relation of Face, Mind and Love () is a 2009 South Korean-Japanese film starring Kang Ji-hwan and Lee Ji-ah.  The romantic comedy film ponders the classic question of how much looks matter when it comes to love, when a good-looking architect finds the perfect woman, except for the fact that she is not very pretty.

Orville Harrold: Orville Harrold (17 November 1877 – 23 October 1933) was an American operatic tenor and musical theatre actor.  He began his career in 1906 as a performer in operettas in New York City, and was also seen during his early career in cabaret, musical theatre, and vaudeville performances.  With the aid of Oscar Hammerstein I, he branched out into opera in 1910 as a leading tenor with Hammerstein's opera houses in New York City and Philadelphia.  While his career from this point on primarily consisted of opera performances, he periodically returned to operetta and musical theatre throughout his career.  He notably created the role of Captain Dick Warrington in the world premiere of Victor Herbert's operetta "Naughty Marietta" in November 1910.

Robert Westenberg: Robert Westenberg (born October 26, 1953) is an American musical theatre actor, acting teacher and professor.  He appeared on Broadway in "Sunday in the Park with George" The Secret Garden and "Into the Woods", as well as several other musicals.  He is the musical theatre coordinator and associate professor in the theatre and dance department at Missouri State University.

Oh Sung-won: "Oh Sung-Won" (Hangul: 오성원 ; born October 22, 1972) is a South Korean musical theatre actor and crossover pop singer.  He has been active in musical theatre since 1999 such as "Elisabeth", "Rudolf", "Jekyll & Hyde", "The Last Empress", "42nd Street" etc.  He has taught at Hanlim Multi Art High School as the musical theatre department's chairman since 2011 and has also supported for Africa Dance/Theatre Academy as the representative of volunteer.

Kang Ji-hwan: Kang Ji-hwan (born Jo Tae-gyu on March 20, 1977) is a South Korean actor.  He began his career in musical theatre, and has since starred in television dramas such as "Be Strong, Geum-soon! " (2005), "Capital Scandal" (2007), and "Hong Gil-dong" (2008), as well as the films "Rough Cut" (2008) and "My Girlfriend Is an Agent" (2009).

Black House (film): Black House (Korean: 검은 집 ) is a 2007 South Korean horror film directed by Shin Tae-ra, that is based on the popular Japanese novel of the same title (called "Kuroi Ie") by Yusuke Kishi.  A Japanese version of the film was made in 1999.  The story centers on an insurance investigator that suspects a family murdered their son to receive his insurance policy.

My Girlfriend Is an Agent: My Girlfriend Is An Agent (; lit.  "7th Level Civil Servant") is a 2009 South Korean romantic action comedy film directed by Shin Tae-ra and starring Kim Ha-neul and Kang Ji-hwan.  The film had 4,078,293 admissions nationwide and was the 4th most attended film of the year.

John Kenrick (theatre writer): John Kenrick (born October 3, 1959) is an American author, teacher and theatre and film historian.  Kenrick is an adjunct teacher of musical theatre history at New York University, Brind School – University of the Arts (Philadelphia) and The New School, and lectures frequently on the subject elsewhere.  His 2008 book "Musical Theatre: A History" is a comprehensive history of musical theatre from ancient times to the present.  Kenrick is the curator of the extensive musical theatre and film website "Musicals101.com: The Cyber Encyclopedia of Musical Theatre, TV and Film"

Runway Cop: Runway Cop (, literally "Detective Cha") is a 2012 South Korean action comedy film, starring Kang Ji-hwan and Sung Yu-ri and directed by Shin Tae-ra.  It tells the story of an overzealous and overweight detective Cha Cheol-soo who goes undercover as a fashion model in order to solve a case.  It reunites the two leads since the television series "Hong Gil-dong" (2008), and is the second film Kang has worked on with Shin since "My Girlfriend Is an Agent" (2009).  It was released on May 30, 2012 by CJ Entertainment and ran for 110 minutes.

Supporting paragraphs: Kang Ji-hwan My Girlfriend Is an Agent
Answer: My Girlfriend Is An Agent