Question: What year did Joseph Cotten star in "The Third Man"?

full_context: Document 1: The Third Man: The Third Man is a 1949 British film noir directed by Carol Reed and written by Graham Greene. It stars Joseph Cotten, Valli (Alida Valli), Orson Welles, and Trevor Howard. The film takes place in post-World-War-II Vienna. It centres on Holly Martins, an American who is given a job in Vienna by his friend Harry Lime, but when Holly arrives in Vienna he gets the news that Lime is dead. Martins then meets with Lime's acquaintances in an attempt to investigate what he considers a suspicious death.
Document 2: Charles Foster Kane: Charles Foster Kane is a fictional character and the subject of Orson Welles' 1941 film "Citizen Kane". The character is widely believed to be based on publishing tycoon William Randolph Hearst. Welles played Kane (receiving an Oscar nomination), with Buddy Swan playing Kane as a child. Welles also produced, co-wrote and directed the film.
Document 3: Citizen Cohn: Citizen Cohn is a 1992 cable film covering the life of Joseph McCarthy's controversial chief counsel Roy Cohn. James Woods, who starred as Cohn, was nominated for both an Emmy and a Golden Globe for his performance. "Citizen Cohn" also stars Joe Don Baker (as McCarthy), Ed Flanders (as Cohn's courtroom nemesis Joseph Welch), Frederic Forrest (as writer Dashiell Hammett), and Pat Hingle (as Cohn's onetime mentor J. Edgar Hoover). It was directed by Frank Pierson. The movie was filmed on location in Pittsburgh, Pennsylvania.
Document 4: Ernst Deutsch: Ernst Deutsch, also known as Ernest Dorian (16 September 1890, Prague – 22 March 1969, Berlin), was an Austrian actor. In 1916, his performance as the protagonist in the world première of Walter Hasenclever's Expressionist play "The Son" in Dresden was praised. Deutsch also played the antihero Famulus in Paul Wegener's "" in 1920. He is known by English-speaking audiences for his role as Baron Kurtz in Carol Reed's 1949 "film noir", "The Third Man".
Document 5: Odd Man Out: Odd Man Out is a 1947 British film noir set in an unnamed Northern Irish city and directed by Carol Reed. It is based on the novel by F. L. Green and stars James Mason and Robert Newton.
Document 6: The Stranger (1946 film): The Stranger is a 1946 American film noir starring Edward G. Robinson, Loretta Young, and Orson Welles. It was Welles's third completed feature film as director. A drama about a war crimes investigator who tracks a high-ranking Nazi fugitive to a New England town, it is the first Hollywood film to present documentary footage of the Holocaust. The original story by Victor Trivas was nominated for an Academy Award. The film entered the public domain when its copyright was not renewed.
Document 7: The Fallen Idol (film): The Fallen Idol (also known as "The Lost Illusion") is a 1948 film directed by Carol Reed and based on the short story "The Basement Room", by Graham Greene. The film was nominated for the Academy Award for Best Director (Carol Reed) and Best Adapted Screenplay (Graham Greene), and won the BAFTA Award for Best British Film.
Document 8: Ernst Deutsch: Ernst Deutsch, also known as Ernest Dorian (16 September 1890, Prague – 22 March 1969, Berlin), was an Austrian actor. In 1916, his performance as the protagonist in the world première of Walter Hasenclever's Expressionist play "The Son" in Dresden was praised. Deutsch also played the antihero Famulus in Paul Wegener's "" in 1920. He is known by English-speaking audiences for his role as Baron Kurtz in Carol Reed's 1949 "film noir", "The Third Man".
Document 9: Joseph Cotten: Joseph Cheshire Cotten, Jr. (May 15, 1905 – February 6, 1994) was an American film, stage, radio and television actor. Cotten achieved prominence on Broadway, starring in the original stage productions of "The Philadelphia Story" and "Sabrina Fair". He first gained worldwide fame in three Orson Welles films: "Citizen Kane" (1941), "The Magnificent Ambersons" (1942), and "Journey into Fear" (1943), for which Cotten was also credited with the screenplay. He went on to become one of the leading Hollywood actors of the 1940s, appearing in films such as "Shadow of a Doubt" (1943), "Love Letters" (1945), "Duel in the Sun" (1946), "Portrait of Jennie" (1948), "The Third Man" (1949) and "Niagara" (1953). One of his final films was Michael Cimino's "Heaven's Gate" (1980).
Document 10: Orson Welles: George Orson Welles ( ; May 6, 1915 – October 10, 1985) was an American actor, director, writer, and producer who worked in theatre, radio, and film. He is remembered for his innovative work in all three: in theatre, most notably "Caesar" (1937), a Broadway adaptation of William Shakespeare's "Julius Caesar"; in radio, the legendary 1938 broadcast "The War of the Worlds"; and in film, "Citizen Kane" (1941), consistently ranked as one of the greatest films ever made.
Document 11: The Joseph Cotten Show: The Joseph Cotten" Show (also known as On Trial") is an American anthology series hosted by and occasionally starring Joseph Cotten. The series, which first aired on NBC, aired 31 episodes from September 14, 1956, to September 13, 1957. Four other new episodes were broadcast on CBS in Summer 1959.
Document 12: Citizen Kane: Citizen Kane is a 1941 American mystery drama film by Orson Welles, its producer, co-screenwriter, director and star. The picture was Welles's first feature film. Nominated for Academy Awards in nine categories, it won an Academy Award for Best Writing (Original Screenplay) by Herman J. Mankiewicz and Welles. Considered by many critics, filmmakers, and fans to be the greatest film of all time, "Citizen Kane" was voted as such in five consecutive British Film Institute "Sight & Sound" polls of critics, until it was displaced by "Vertigo" in the 2012 poll. It topped the American Film Institute's 100 Years ... 100 Movies list in 1998, as well as its 2007 update. "Citizen Kane" is particularly praised for its cinematography, music, editing and narrative structure, which have been considered innovative and precedent-setting.
Document 13: Tyrone Power: Tyrone Edmund Power III (May 5, 1914 – November 15, 1958) was an American film, stage and radio actor. From the 1930s to the 1950s Power appeared in dozens of films, often in swashbuckler roles or romantic leads. His better-known films include "The Mark of Zorro", "Blood and Sand", "The Black Swan", "Prince of Foxes", "Witness For The Prosecution", "The Black Rose", and "Captain from Castile". Power's own favorite film among those that he starred in was "Nightmare Alley".
Document 14: Carol Reed: Sir Carol Reed (30 December 1906 – 25 April 1976) was an English film director best known for "Odd Man Out" (1947), "The Fallen Idol" (1948) and "The Third Man" (1949). For "Oliver!" (1968), he received the Academy Award for Best Director.
Document 15: Robert Cummings: Charles Clarence Robert Orville Cummings, known as Bob Cummings (June 9, 1910 – December 2, 1990), was an American film and television actor known mainly for his roles in comedy films such as "The Devil and Miss Jones" (1941) and "Princess O'Rourke" (1943), but was also effective in dramatic films, especially two of Alfred Hitchcock's thrillers, "Saboteur" (1942) and "Dial M for Murder" (1954). Cummings received five Primetime Emmy Award nominations, and won the Primetime Emmy Award for Best Actor in a Single Performance in 1955. On February 8, 1960, he received two stars on the Hollywood Walk of Fame for his contributions to the motion picture and television industries. The motion picture star is at 6816 Hollywood Boulevard, the television star is on 1718 Vine Street.
ground_truth: 1949