Joo Won
Joo Won( born Moon Jun- won on September 30, 1987) is a South Korean actor best known for his roles in" King of Baking, Kim Takgu"( 2010)," Ojakgyo Family"( 2011)," Bridal Mask"( 2012)," Good Doctor"( 2013)," Fatal Intuition"( 2015)," Yong- pal"( 2015) and" My Sassy Girl"( 2017).
Joh Keun-shik
Joh Keun- shik( born 1968) is a South Korean film director and screenwriter.
Joh debuted with" Conduct Zero"( 2002), a creative and interesting comedy, as well as a box- office hit.
His second feature" Once in a Summer"( 2006), which displays his nostalgia and warm approach to directing, clinched Best Film, Best Director and Best Supporting Actor( for Oh Dal -su) at the 15th Chunsa Film Art Awards in 2007.
His latest film is the South Korean- Chinese romantic comedy" My New Sassy Girl"( 2016), which is a sequel to" My Sassy Girl"( 2001), also starred Cha Tae -hyun as the male lead.
Kwak Jae-yong
Kwak Jae-yong (born 22 May 1959) is a South Korean film director and screenwriter.
He studied physics at Kyung Hee University.
He achieved success with his debut film "Watercolor Painting in a Rainy Day" in 1989, but the failure of his next two movies led to eight years of unemployment before a comeback with the smash-hit film "My Sassy Girl" in 2001.
He is known for his limitless fondness of love stories set in a mix of different genres.
The Killer Reserved Nine Seats
The Killer Reserved Nine Seats
is a 1974 Italian "giallo" film directed by Giuseppe Bennati.
You Are My Sassy Girl
You Are My Sassy Girl is a 2014 Chinese romantic comedy film directed by Zheng Li.
It was released on September 12, 2014.
Giuseppe Bennati
Giuseppe Bennati (born in Pitigliano, Grosseto, 1921 – died in Milan, 26 September 2006) was an Italian film director and writer.
He directed "Il microfono e' vostro" (1952), "Musoduro" (1954), "L'amico del giaguaro" (1958), "Labbra Rosse" (1960), "Congo vivo" (1961) and "L'assassino ha riservato nove poltrone" (1974), his last movie.
For RAI in 1970 he directed TV-movie "BattleToads" (Italo Calvino's bestseller) with Nanni Loy.
He died in Milan, Italy, aged 85 from undisclosed causes.
My Sassy Girl (2008 film)
My Sassy Girl is a 2008 American remake of the 2001 South Korean romantic- comedy" My Sassy Girl".
It stars Elisha Cuthbert and Jesse Bradford and was directed by Yann Samuell.
Both films are based on a true story told in a series of blog posts written by Kim Ho-sik, who later adapted them into a fictional novel.
The film is set in New York City's Central Park and Upper East Side.
Samuell, describes the film as" a fable about destiny," while Bradford described it as" a romantic comedy about how they pull each other to a more healthy place by virtue of their relationship."
The film was released direct- to- DVD in the United States on August 26, 2008, and on Region 2 DVD in the United Kingdom on August 25, 2008.
It was distributed by Entertainment in Video.
My New Sassy Girl
My New Sassy Girl is a 2016 South Korean- Chinese romantic comedy film directed by Joh Keun- shik, and starring Cha Tae-hyun and Victoria Song.
This film, a sequel to" My Sassy Girl"( 2001), was released in China on April 22, 2016 and released in South Korea on May 12, 2016.
My Sassy Girl 2
My Sassy Girl 2  is a 2010 Chinese romantic comedy film directed by Joe Ma and starring Lynn Hung, Leon Jay Williams, He Jiong, Abby Feng and Bosco Wong.
The film is an unofficial sequel of the 2001 South Korean film "My Sassy Girl".
It was released on November 5, 2010.
My Sassy Girl
My Sassy Girl  is a 2001 South Korean romantic comedy film directed by Kwak Jae-yong, starring Jun Ji-hyun and Cha Tae-hyun.
The film is based on a true story told in a series of blog posts written by Kim Ho-sik, who later adapted them into a fictional novel.
The film was very successful in South Korea, where it was the highest-grossing comedy of all time, and one of the top five highest-grossing films ever at the time.
When "My Sassy Girl" was released across East Asia, it became a blockbuster in the region, becoming a hit in Japan, Taiwan and Hong Kong.
Its DVD release also drew a large international cult following, particularly in China, Southeast Asia, and parts of South Asia.
The film's success in Asia drew comparisons to "TitanicMy Sassy Girl" sparked an international breakthrough for Korean cinema, and it played a key role in the spread of the Korean Wave.
The film has spawned an international media franchise, consisting of film remakes and television adaptations in different countries as well as a sequel.
An American remake, starring Jesse Bradford and Elisha Cuthbert, and directed by Yann Samuell, was released in 2008.
A Japanese drama adaptation with Tsuyoshi Kusanagi and actress Rena Tanaka as the leads started broadcasting in April 2008.
A sequel, "My New Sassy Girl", a collaborative work between Korea and China, was released in 2016.
There is also a Korean television adaptation of "My Sassy Girl", as well as Indian, Chinese and Nepali film remakes.

Question: Do both My Sassy Girl and The Killer Reserved Nine Seats films have the directors from the same country?
Answer: no