Title: Our Friend
Content:  In January 2019, it was announced Casey Affleck, Dakota Johnson, Jason Segel and Jake Owen had been cast in the drama film The Friend, with Gabriela Cowperthwaite directing from a screenplay by Brad Ingelsby, based upon an Esquire article by Matthew Teague. Gwendoline Christie and Cherry Jones were among additional casting announced in February. Filming began on February 19, 2019 in Fairhope, Alabama.
Title: Friend (1987 film)
Content:  Friend (Друг) is a 1987 Soviet drama film directed by Leonid Kvinikhidze. The film tells the story of the friendship between a binge drinker (Sergey Shakurov) and a talking dog which understands what it means to be a real person better than humans and tries to help the man become whole again.
Title: Our Friend
Content:  Our Friend is a 2019 American biographical drama film directed by Gabriela Cowperthwaite and written by Brad Ingelsby, based on Matthew Teague's 2015 Esquire article "The Friend: Love Is Not a Big Enough Word". It stars Jason Segel, Dakota Johnson, and Casey Affleck. The film had its world premiere under its original title The Friend at the 2019 Toronto International Film Festival on September 6, 2019, and was released on January 22, 2021, by Gravitas Ventures. It was a box-office bomb, only grossing $699,452 on a $10 million budget.
Title: Friend of the World
Content:  The script was formulated in 2016 and pre-production started around August. Luke Pensabene recommended Nick Young for the part of Gore after his audition for something else. Diane was originally written as a young man, but scheduling conflicts and delays eventually led to rewrites. After altering the character's gender, Butler happened upon Alexandra Slade who was eventually cast. Kerry Rossall contributed to the production by funding the project directly.
Title: Friend (2001 film)
Content:  Friend is a 2001 South Korean action film written and directed by Kwak Kyung-taek. Upon its release, it became the highest-grossing South Korean movie up to that time. Its record was surpassed in 2003 by Silmido. This film is the director's experiences with his friends, a semi-autobiography set in his hometown, Busan, and the actors speak with a strongly accented Busan dialect. The film changed the public images of Jang Dong-gun and Yu Oh-seong; previously, Jang had been famous for romantic comedies and Yu had appeared in movies with mostly cult interest.
Title: The Secret Friend
Content:  The Secret Friend is a 2010 comedy-drama film based on the 1997 short story of the same name by Brazilian writer João Silvério Trevisan. The film, directed by Flavio Alves, features Viola Harris and Siobhan Fallon in the major roles. The film differs substantially from the original short story, which initially created some tension between the writer and the director. Filming took place in early 2009, mainly in Brooklyn, New York, and debuted at the 2010 Palm Springs International Film Festival, where it was chosen as Best of the Fest. The film centers around the character and life of Anna Marshall, a lonely, elderly widow living in a suburb of New York City, who develops a mysterious friendship with a silent caller. Although a screenplay for a feature version of the short film was written, as of 2011, it has not been officially greenlit.
Title: Hello Friend
Content:  Hello Friend, sometimes written as Hello, Friend, is a short comedy horror film directed by Graham Linehan and written by Linehan and Robert Popper. The film was Linehan's directorial debut. The film stars Martin Savage as a man, John Ward, but credited as the "Subject", who buys some new internet software for his computer, which begins to take over his life. The film was produced by The Film Council, Film4 Productions and Shine Limited.
Title: Friend (novel)
Content:  Friend is a 1985 science fiction horror novel by Diana Henstell, about a 13-year-old boy who tries to help a dying friend survive by implanting a microchip into her, only to find that it turns her into a monster. The novel was adapted into the 1986 film Deadly Friend, directed by Wes Craven and screenplay by Bruce Joel Rubin.
Title: Friend (1987 film)
Content: Sergey Shakurov as Nikolay Nikitin, Kolyun ; Newfoundland Yutgay as Friend (voiced by Vasily Livanov) ; Anatoli Romashin as Friend's owner ; Viktor Uralsky as Mitka, Kolyun's drinking companion ; Galina Polskikh as Eleonora Frantsevna, head manager of cleaner's ; Igor Yasulovich as Andreich, Kolyun's neighbour ; Yelena Solovey as Woman with a dog 
Title: Friends (With Benefits)
Content:  Taken off a script originally written by Gorman Bechard in 1999, the film was shopped around that summer under the title Fuck Buddies to every major studio in Hollywood. Inevitably, the script was put on the back burner until Bechard started looking for a lighter follow-up to his extremely dark 2005 feature You Are Alone. In 2006 Bechard teamed with writing partner Ashley McGarry and they began to rewrite the film, changing the title to Friends (with benefits) and casting Margaret Laney in the lead role.

Question: Who was the screenwriter for Friend?
Answer: Kwak Kyung-taek.