Nine Days in One Year (Russian: Девять дней одного года ) is a 1962 Soviet black-and-white drama film directed by Mikhail Romm about nuclear particle physics, Soviet scientists (physicists) and their relationship.
 The film is partially based on true events and is one of the most important Soviet films of the 1960s.
Sahara is a 1943 drama war film directed by Zoltán Korda.
 Humphrey Bogart stars as an American tank commander in Libya during the Western Desert Campaign of World War II.
 The story is credited to a story by Philip MacDonald ("Patrol") and an incident depicted in the 1936 Soviet film "The Thirteen (Russian: )" by Mikhail Romm.
 Later, "Sahara" was remade by André de Toth as a Western with Broderick Crawford called "Last of the Comanches" (1953) and by Brian Trenchard-Smith as the Australian film "Sahara" (1995).
Attack from the Sea (Russian: Корабли штурмуют бастионы , "Korabli shturmuyut bastiony " ) is a 1953 Soviet historical war film directed by Mikhail Romm and starring Ivan Pereverzev, Gennadi Yudin and Vladimir Druzhnikov.
Triumph Over Violence (Russian: "Obyknovennyy fashizm, Обыкновенный фашизм" — ″Common fascism″) is a 1965 Soviet film directed by Mikhail Romm.
 The film is also known as Echo of the Jackboot in the United Kingdom and Triumph Over Violence in the United States.
 It is mainly in the form of annotated excerpts of archival film in order to describe the rise and fall of fascism, and especially the example of Nazi Germany.
Admiral Ushakov is a 1953 Soviet historical war film directed by Mikhail Romm and starring Ivan Pereverzev, Boris Livanov and Sergey Bondarchuk.
Mikhail Ilych Romm (Russian: Михаи́л Ильи́ч Ромм ; 24 January [O.S. 11 January] 1901 – 1 November 1971) was a Soviet film director.
The Thirteen (Russian: Тринадцать , "Trinadtsat " ) is a 1937 Soviet adventure film directed by Mikhail Romm.
The Russian Question (Russian: Русский вопрос, "Russkiy vopros") is a Soviet political drama by renowned filmmaker Mikhail Romm.
 The film is an adaptation of a play of the same name by Soviet poet and journalist Konstantin Simonov.
Alfred L. Werker (December 2, 1896 – July 28, 1975) was a film director whose work in movies spanned from 1917 through 1957.
 After a number of film production jobs and assistant directing, Werker co-directed his first film, "Ridin' the Wind" in 1925 alongside director Del Andrews.
 He was brought in by Fox Film Corporation executives to re-shoot and re-edit Erich von Stroheim's film "Hello, Sister!
" (1933), co-starring Boots Mallory and ZaSu Pitts.
The Queen of Spades (Russian: Пиковая Дама , "Pikovaya Dama"), Op. 70, is the score composed by Sergei Prokofiev in 1936 for the planned but unrealized film by Mikhail Romm.
 The film was to be based on the short story "The Queen of Spades" (1833) by Alexander Pushkin, and was intended for release in 1937, the centenary of Pushkin's death.
 It is one of Prokofiev's least known pieces.

Question: What occupation did Mikhail Romm and Alfred L. Werker share?
Answer: film director