Question: What profession do Mika Kaurismäki and Sharron Miller have in common?

Context articles: Zombie and the Ghost Train
Moro no Brasil
The Worthless (film)
Sharron Miller
Mika Kaurismäki
The Clan – Tale of the Frogs
The House of Branching Love
L.A. Without a Map
Matti Pellonpää
Helsinki Napoli All Night Long

Zombie and the Ghost Train (Finnish: "Zombie ja Kummitusjuna" ) is a 1991 Finnish film directed by Mika Kaurismäki.
 It focuses on Antti (aka Zombie), a loner who loves performing music but leads a miserable life otherwise.
A musical voyage into the heart of the largest country in Latin America, a legacy of the successive inhabitants of Brazil: Indians, Europeans, Africans... All these cultural influences have piled up in the same way that geological stratifications do, offering a variety of rhythms: Forró, Frevo, Embolada, Samba... To make this documentary, the Finnish director Mika Kaurismäki has traveled 4,000 kilometers, crossed three states in the Northwest of Brazil, and spoken to more than thirty musicians, most of them street musicians and unknown to foreigners.
The Worthless (Finnish: Arvottomat ) is a 1982 Finnish film directed by Mika Kaurismäki, who also co-wrote the film with his brother Aki Kaurismäki.
 It is a road movie about two men and a woman driving around the country as they are being chased by a group of criminals and the police.
Sharron Miller is an American television and film director, producer, and screenwriter.
 She is one of the pioneering women directors who worked regularly in mainstream Hollywood in the 1970s and 1980s (along with Elaine May, Joan Darling, Joan Micklin Silver, Karen Arthur, Gabrielle Beaumont, Lela Swift, Gwen Arner, and Kim Friedman).
 In 1983 she was the first woman ever to win the coveted Directors Guild of America Award (DGA Award) for directing a narrative (non-documentary) work.
Mika Juhani Kaurismäki (] ; born 21 September 1955) is a Finnish film director.
The Clan – Tale of the Frogs (Finnish: "Klaani: Tarina Sammakoitten suvusta" ) is a 1984 Finnish drama film directed by Mika Kaurismäki.
 It was entered into the 14th Moscow International Film Festival.
The House of Branching Love (Finnish: Haarautuvan rakkauden talo ) is a 2009 Finnish comedy-drama film directed by Mika Kaurismäki.
 It is based on the novel "Haarautuvan rakkauden talo" by Petri Karra.
 The film is about a married couple going through a divorce.
L.A. Without a Map is a 1998 romantic comedy-drama film directed by Mika Kaurismäki and written by Mika Kaurismäki and Richard Rayner, based on his novel.
 The film stars David Tennant, Vinessa Shaw, Julie Delpy, Vincent Gallo, Joe Dallesandro, and Johnny Depp.
 It is a French, British and Finnish production.
Matti Pellonpää (28 March 1951 in Helsinki – 13 July 1995 in Vaasa) was a Finnish actor and a musician.
 He rose to international fame with his roles in both Aki Kaurismäki's and Mika Kaurismäki's films; particularly being a regular in Aki's films, appearing in 18 of them.
Helsinki Napoli All Night Long (also released as Helsinki – Napoli) is a gangster-comedy film written, directed and produced by Mika Kaurismäki.
 The film was released in Italy as "Napoli–Berlino – Un taxi nella notte", with Berlin replacing Helsinki in the title.