Question: What nationality is Kim Nam-gil, star of 2015's thriller The Shameless?

Context paragraphs:
Kim Nam-gil: Kim Nam-gil (; born March 13, 1981) is a South Korean actor, producer, singer and philanthropist.  He is best known from leading roles in disaster blockbuster "Pandora" (2016); crime thriller "The Shameless" (2015); adventure film "The Pirates" (2014) and period drama "Portrait of a Beauty" (2008).  His breakthrough role was Bidam in the hit television period drama "Queen Seondeok" (2009).  Kim is also the founder and CEO of a non-profit organization "Gilstory" that focuses on preserving cultural heritage, promoting arts and raising special purpose relief funds.

Bad Guy (TV series): Bad Guy () is a 2010 South Korean melodrama television series, starring Kim Nam-gil, Han Ga-in, Kim Jae-wook, Oh Yeon-soo and Jung So-min.  Directed by Lee Hyung-min, it aired on SBS from May 26 to August 5, 2010 on Wednesdays and Thursdays at 21:55 for 17 episodes.

One Day (2017 film): One Day () is a 2017 South Korean drama film directed by Lee Yoon-ki and starring Kim Nam-gil and Chun Woo-hee.  The film was released on April 5, 2017.

The Shameless: The Shameless (; lit.  "A Bastard" or "A Rouge") is a 2015 South Korean film starring Kim Nam-gil and Jeon Do-yeon.  It is written and directed by Oh Seung-uk, who described it as a "hardboiled romantic noir thriller.

Live Up to Your Name, Dr. Heo: Live Up to Your Name, Dr. Heo () is a 2017 fantasy medical South Korean television series starring Kim Nam-gil and Kim Ah-joong about skilled doctors of the 17th and 21st century.  The series marks Kim Nam-gil's small screen comeback after four years.  It is currently airing on tvN starting on August 12, 2017 at 21:00 KST.

Shark (2013 TV series): Shark (, also known as Don't Look Back: The Legend of Orpheus) is a 2013 South Korean television series, starring Kim Nam-gil and Son Ye-jin.  It aired on KBS2 from May 27 to July 30, 2013 on Mondays and Tuesdays at 21:55.

Pandora (2016 film): Pandora () is a 2016 South Korean disaster film written and directed by Park Jung-woo, starring Kim Nam-Gil.  The film was released in South Korea on December 7, 2016.

Memoir of a Murderer: Memoir of a Murderer (Hangul: 살인자의 기억법) is a 2017 South Korean thriller film, based on a bestselling fiction book by author Kim Young-ha.  The film stars Sol Kyung-gu, Kim Nam-gil and Kim Seol-hyun.  Filming began in late 2015.

Lee Seok-hoon: Lee Seok-hoon (born January 6, 1972) is a South Korean film director and screenwriter.  Lee began his directorial debut with the high school comedy "See You After School" (2006), followed by romantic comedy "Two Faces of My Girlfriend" (2007) - both films starring Bong Tae-gyu as the leading role.  His romantic comedy "Dancing Queen" (2012) was a commercial success with over four million admissions and the period adventure film "The Pirates" (2014), starring Son Ye-jin and Kim Nam-gil, was also a hit with more than 8.6 million admissions at the end of its run.

Goodbye Solo (TV series): Goodbye Solo () is a 2006 South Korean television series starring Chun Jung-myung, Yoon So-yi, Kim Min-hee, Bae Jong-ok, Lee Jae-ryong, Kim Nam-gil (credited as Lee Han), and Na Moon-hee.  It aired on KBS2 from March 1 to April 20, 2006 on Wednesdays and Thursdays at 21:55 for 16 episodes.

Supporting paragraphs: Kim Nam-gil The Shameless
Answer: South Korean