Question: What did both Ivan Perestiani and Kim Ki-duk do as a career?

Context paragraphs:
Cho Jae-hyun: Cho Jae-hyun (born June 30, 1965) is a South Korean film, stage, and TV actor.  He is commonly dubbed "director Kim Ki-duk's persona" since Cho has starred as leading and supporting characters in almost all films directed by Kim.

Three Lives (film): Three Lives (Georgian: სამი სიცოცხლე , Russian: Три жизни , sometimes "Who is to Blame?")  is a 1924 Georgian silent film directed by Ivan Perestiani.

Kim Ki-duk (director, born 1934): Kim Ki-duk (29 September 1934 – 7 September 2017) was a South Korean film director and professor.  Best known outside of Korea for his 1967 giant monster film "", Kim Ki-duk directed 66 movies in total from his directorial debut in 1961 until his retirement from the film industry in 1977.  Along with Kim Soo-yong and Lee Man-hee, Kim was one of the leading young directors of the Korean cinematic wave of the 1960s.  The most distinctive and successful genre of this period was the melodrama (청춘영화 - "cheongchun yeonghwa").  He is not related to Kim Ki-duk, the South Korean director of "3-Iron".

Kim Ki-duk: Kim Ki-duk ( ] ; born December 20, 1960) is a South Korean filmmaker noted for his idiosyncratic art-house cinematic works.  His films have received many distinctions in the festival circuit, making him one of the most important contemporary Asian film directors.  Major festival awards include Golden Lion at 69th Venice International Film Festival for "Pietà", Silver Lion for Best Director at 61st Venice International Film Festival for "3-Iron", Silver bear for Best Director at 54th Berlin International Film Festival for "Samaria" and Un Certain Regard prize at 2011 Cannes Film Festival for Arirang.  His most widely known feature is "Spring, Summer, Fall, Winter... and Spring" (2003), included in film critic Roger Ebert's Great Movies.  Two of his films served as official submissions for Academy award for best foreign language film as South Korean entries.  He has given scripts to several of his former assistant directors including Juhn Jai-hong ("Beautiful" and "Poongsan") and Jang Hoon ("Rough Cut").

Made in China (2015 film): Made in China (Hangul: 메이드 인 차이나 ) is a 2015 South Korean drama film directed by Kim Dong-Hoo.  It was written and produced by the renowned art house moviemaker Kim Ki-duk.

Real Fiction: Real Fiction (; lit.  "State of Reality") is a 2000 crime-drama film from South Korean director Kim Ki-duk.  It stars Joo Jin-mo, Kim Jin-ah and Son Min-seok.  It was shot entirely in real-time, with no retakes, on a mixture of low quality video and purposefully "dirtied" film.  The film was entered into the 23rd Moscow International Film Festival.

The Suram Fortress (film): The Suram Fortress (Georgian: სურამის ციხე , Russian: Сурамская крепость ) is a 1922 Soviet Georgian adventure film directed by Ivan Perestiani, based on Daniel Chonkadze's novel with the same title.

Amen (2011 film): Amen is a 2011 South Korean drama film written and directed by Kim Ki-duk, starring Kim Ye-na.  Shot in Europe, it follows a Korean girl on a mysterious journey.  The film premiered in competition at the 2011 San Sebastián International Film Festival.

Arirang (2011 film): Arirang (Korean: 아리랑 ) is a 2011 South Korean documentary film by Kim Ki-duk.  The film addresses a personal crisis Kim went through, sparked by an incident during the filming of his previous film, "Dream", where the lead actress nearly died by hanging, and by the departure of a couple of close colleagues, including the director Jang Hoon.  The title comes from a Korean folk song with the same title.  In a heavily line-broken text released about the film, Kim writes that "Through "Arirang" I understand human beings, thank the nature, and accept my life as it is now."  Kim produced the film entirely on his own.  It premiered in the Un Certain Regard section of the 2011 Cannes Film Festival, and won the top award for best film.

Ivan Perestiani: Ivan Nikolaevich Perestiani (also Ivane, Georgian: ივანე პერესტიანი ; Russian: Иван Николаевич Перестиани ; 13 April [O.S. 1 April] 1870 — 14 May 1959) was a Russian/Soviet film director, script-writer and actor, and People's Artist of the Georgian SSR (1949).  He was of Kefalonian Greek descent.

Supporting paragraphs: Ivan Perestiani Kim Ki-duk
Answer: film director