Peter Mettler (born September 7, 1958) is a Swiss-Canadian film director and cinematographer.
 He is best known for his unique, intuitive approach to documentary, evinced by such films as "Picture of Light" (1994), "Gambling, Gods and LSD" (2002), and "The End of Time" (2012).
 He has also worked as a cinematographer on films by Atom Egoyan, Patricia Rozema, Bruce McDonald, and Jennifer Baichwal, and has collaborated with numerous other artists, including Michael Ondaatje, Fred Frith, Jim O'Rourke, Jane Siberry, Robert Lepage, Edward Burtynsky, Greg Hermanovic, Richie Hawtin, Neil Young, Jeremy Narby, and Franz Treichler.
I've Heard the Mermaids Singing is a 1987 feature film, directed by Patricia Rozema.
 The title is taken from "The Love Song of J. Alfred Prufrock" by T. S. Eliot.
Vast is my Native Land (1958), also known as "Great is my Country", (Russian: Широка страна моя родная , "Shiroka strana moya rodnaya" ), from the song of the same name, which is featured in the film, by the Russian composer Isaac Dunaevsky) was the first film shot in the Soviet wide-screen film format known as Kinopanorama.
 The film was directed by Roman Karmen, known for various documentary films produced in the Soviet Union.
 The music was composed by Kirill Molchanov, a noted composer of music for ballet and opera.
Montreal Stories (French: "Montréal vu par..." ), also titled as Montreal Sextet in some releases, is a Canadian drama film, released in 1991 as an homage to the city of Montreal on the occasion of its 350th anniversary.
 Written and directed by Denys Arcand, Michel Brault, Atom Egoyan, Jacques Leduc, Léa Pool and Patricia Rozema, the film is an anthology of six short films, one by each of the credited directors.
Oleg Makara-Kalmáry (born October 13, 1954, Czechoslovakia) is a film director, screenwriter and Slovak writer.
 In 1969, he wrote his debut as a screenwriter "Pozlátené dievča" at the age of 14.
 He then went on to study film directing at All States Institute (now Gerasimov Institute of Cinematography) in Moscow under Roman Karmen.
 A pseudonym is after his grandfather, art carpenter, Eduard Kalmáry.
 E. Kalmáry was a chief manager of water sawmill in Remetské Hámre, East Slovakia, owned by family Vanderbilts.
Mansfield Park is a 1999 British romantic comedy-drama film based on Jane Austen's novel of the same name, written and directed by Patricia Rozema.
 The film departs from the original novel in several respects.
 For example, the life of Jane Austen is incorporated into the film, as well as the issues of slavery and plantation life.
 The majority of the film was made at Kirby Hall in Northamptonshire.
The Nuremberg Trials is a 1947 Soviet-made documentary film about the trials of the Nazi leadership.
 It was produced by Roman Karmen, and was an English-language version of the Russian language film "Суд народов" (Judgment of the Peoples).
Patricia Rozema (born August 20, 1958) is a Canadian film director, writer and producer.
 She was part of a loosely-affiliated group of filmmakers to emerge in 1980s from Toronto known as the Toronto New Wave.
Kit Kittredge: An American Girl (also advertised as Kit Kittredge: An American Girl Mystery) is a 2008 American comedy-drama film directed by Patricia Rozema.
 The screenplay by Ann Peacock (based on the "Kit Kittredge" stories by Valerie Tripp) focuses on the American Girl character Kit Kittredge, who lives in Cincinnati, Ohio during the Great Depression.
 The film is the first and only in the "American Girl" film series to have a theatrical release; the first three were television movies. Julia Roberts served as one of the executive producers here (as she did with the TV movies).
Roman Lazarevich Karmen (Russian: Рома́н Ла́заревич Карме́н ; 29 November [O.S. 16 November] 1906 in Odessa – 28 April 1978 in Moscow) was a Soviet war camera-man and film director and one of the most influential figures in documentary film making.

Question: Roman Karmen and Patricia Rozema, have which occupation in common?
Answer: film director