Question:  Lyudmil Kirkov and Niki Caro both are or have been what?

Context paragraphs:
McFarland, USA: McFarland, USA (also known as McFarland) is a 2015 American sports drama film directed by Niki Caro, produced by Mark Ciardi and Gordon Gray, written by Christopher Cleveland, Bettina Gilois and Grant Thompson with music composed by Antônio Pinto.  The film was co-produced by Walt Disney Pictures and Mayhem Pictures.  Based on the true story of a 1987 cross country team from a mainly Latino high school in McFarland, California, the film stars Kevin Costner as Jim White, the school's coach, who leads the team to win a state championship.  The film also stars Maria Bello and Morgan Saylor.

Balance (1983 film): Balance (Bulgarian: Равновесие , translit.  Ravnovesie) is a 1983 Bulgarian drama film directed by Lyudmil Kirkov.  It was entered into the 13th Moscow International Film Festival where it won the Silver Prize.

The Swedish Kings: The Swedish Kings (Bulgarian: "Шведските крале" / "Shvedskite krale") is a Bulgarian comedy film released in 1968, directed by Lyudmil Kirkov, starring Kiril Gospodinov, Tsvetana Maneva, Asen Georgiev, Evstati Stratev and Konstantin Kotsev.

A Peasant on a Bicycle: A Peasant on a Bicycle (Bulgarian: "Селянинът с Колелото" / "Selyaninat s Koleloto") is a Bulgarian drama film released in 1974, directed by Lyudmil Kirkov, starring Georgi Georgiev - Gets, Diana Chelebieva, Georgi Rusev and Evstati Stratev.

The Zookeeper's Wife (film): The Zookeeper's Wife is a 2017 war drama film directed by Niki Caro and written by Angela Workman, based on the non-fiction book of the same name by Diane Ackerman.  The film tells the true story of how Jan and Antonina Żabiński rescued hundreds of Jews from the Germans by hiding them in their zoo during World War II, and stars Jessica Chastain, Johan Heldenbergh, Michael McElhatton and Daniel Brühl.

Lyudmil Kirkov: Lyudmil Kirkov (Bulgarian: Людмил Кирков , 14 December 1933 – 12 December 1995) was a Bulgarian film director and actor.

A Nameless Band: A Nameless Band (Bulgarian: Оркестър без име ) is a comedy movie released in Bulgaria in 1982.  It was directed by Lyudmil Kirkov and written by Stanislav Stratiev.  The movie describes the life of the young generation in Bulgaria in the late seventies and early eighties.  It is about dreams and reality, friendship, love… "and something else" (the favorite expression of Reni in the movie).

The Boy Turns Man: The Boy Turns Man (Bulgarian: "Момчето си отива" / "Momcheto si otiva") is a Bulgarian comedy-drama film released in 1972, directed by Lyudmil Kirkov, starring Nevena Kokanova, Philip Trifonov, Kiril Gospodinov and Sashka Bratanova.

Anne (TV series): Anne (titled Anne with an E on Netflix) is a Canadian television series based on the 1908 novel "Anne of Green Gables" by Lucy Maud Montgomery, and adapted by Emmy Award-winning writer and producer Moira Walley-Beckett.  It airs on CBC in Canada, and elsewhere in the world it is available for streaming on Netflix.  The first season consists of seven episodes, with Niki Caro directing the 90-minute season premiere.  The series premiered on March 19, 2017, on CBC, the season finale airing on April 30, 2017.

Niki Caro: Nikola Jean "Niki" Caro {'1': ", '2': ", '3': ", '4': "} (born 1967) is a film director, producer and screenwriter who was born in Wellington, New Zealand.  Her 2002 film "Whale Rider" was critically praised and won a number of awards at international film festivals.

Supporting paragraphs: Lyudmil Kirkov Niki Caro
Answer: film director