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

Context paragraphs:
Third Man Records: Third Man Records is an independent record label founded by Jack White in Detroit, Michigan, in 2001.  Third Man established its first physical location—a combination record store, performance venue, and headquarters for the label—in Nashville, Tennessee, in 2009.  The label opened a Detroit branch location in 2015, which added a pressing plant (Third Man Pressing) in 2017.

The Mercury Wonder Show: The Mercury Wonder Show for Service Men was a 1943 magic-and-variety stage show by the Mercury Theatre, produced by Orson Welles and Joseph Cotten as a morale-boosting entertainment for US soldiers in World War II.  Directed by Welles, the show starred Welles ("Orson the Magnificent"), Cotten ("Jo-Jo the Great"), Agnes Moorehead ("Calliope Aggie") and Rita Hayworth, whose part was later filled by Marlene Dietrich.  Jean Gabin also worked on the show backstage, as a propman.  The show ran to 150 minutes.

The Man with a Cloak: The Man with a Cloak is a 1951 drama film directed by Fletcher Markle and starring Joseph Cotten, Barbara Stanwyck, Louis Calhern, and Leslie Caron, and based on "The Gentleman from Paris", a short story by John Dickson Carr.

The Halliday Brand: The Halliday Brand is a 1957 American Western film directed by Joseph H. Lewis and starring Joseph Cotten.

Concorde Affaire '79: Concorde Affaire '79 (1979) (Italian: "Affare Concorde" ), also known as The Concorde Affair, is an Italian action thriller directed by Ruggero Deodato and written by Ernesto Gastaldi and Renzo Genta.  Released in the same year as "The Concorde ... Airport '79" and featuring actor Joseph Cotten, who appeared in "Airport '77", the film was an attempt by producers to take advantage of the success of the "Airport" film franchise of the 1970s.

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.

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.

Airport '77: Airport '77 is a 1977 American air disaster film and the third installment of the "Airport" franchise.  The film stars a number of veteran actors including Jack Lemmon, James Stewart, Joseph Cotten and Olivia de Havilland, as well as the return of George Kennedy from the two previous "Airport" films.  It is directed by Jerry Jameson, produced by Jennings Lang and William Frye with a screenplay by Michael Scheff and David Spector.

Love Letters (1945 film): Love Letters is a 1945 film.  The screenplay was adapted by Ayn Rand from the novel "Pity My Simplicity" by Christopher Massie.  It was directed by William Dieterle and stars Jennifer Jones, Joseph Cotten, Ann Richards, Cecil Kellaway, Gladys Cooper and Anita Louise.  The plot tells the story of a man falling in love with an amnesiac woman with two personalities who killed his soldier friend.

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).

Supporting paragraphs: Joseph Cotten The Third Man
Answer: 1949