Title: Casablanca (film)
Content:  Casablanca is a 1942 American romantic drama film directed by Michael Curtiz, and starring Humphrey Bogart, Ingrid Bergman, and Paul Henreid. Filmed and set during World War II, it focuses on an American expatriate (Bogart) who must choose between his love for a woman (Bergman) or helping her and her husband (Henreid), a Czech resistance leader, escape from the Vichy-controlled city of Casablanca to continue his fight against the Germans. The screenplay is based on Everybody Comes to Rick's, an unproduced stage play by Murray Burnett and Joan Alison. The supporting cast features Claude Rains, Conrad Veidt, Sydney Greenstreet, Peter Lorre, and Dooley Wilson. Warner Bros. story editor Irene Diamond convinced producer Hal B. Wallis to purchase the film rights to the play in January 1942. Brothers Julius and Philip 
Title: Casablanca
Content: The 1942 film Casablanca (starring Ingrid Bergman and Humphrey Bogart) is supposed to have been set in Casablanca, although it was filmed entirely in Los Angeles and doesn't feature a single Arab or North African character with a speaking role. The film depicts Casablanca as the scene of power struggle between various foreign powers, which had much more to do with the Tangier of the time. The film has achieved worldwide popularity since its release. Nominated for eight Academy Awards, it won three, including Best Picture. ; A Night in Casablanca (1946) was the 12th Marx Brothers' movie. The film stars Groucho Marx, Chico Marx, 
Title: Casablanca (1955 TV series)
Content:  The three top-billed roles in the 1942 film are played by Humphrey Bogart as Rick Blaine, Ingrid Bergman as Ilsa Lund and Paul Henreid as Victor Laszlo. In the series, the last name of Rick, portrayed by Charles McGraw, is Jason, while Ilsa and Victor do not appear as characters. The debut episode, "Who Holds Tomorrow?", showcases single-installment guest star Anita Ekberg playing a version of Ilsa, named Trina, but the storyline's reminiscence of Rick and Trina's past relationship veers into spies, killers and Cold War intrigue. Billed fourth through seventh in the film's credits are Claude Rains as Captain Louis Renault, Conrad Veidt as Major Strasser, Sydney Greenstreet as Ferrari and Peter 
Title: Casablanca (film)
Content: Humphrey Bogart as Rick Blaine ; Ingrid Bergman as Ilsa Lund. Bergman's official website calls Ilsa her "most famous and enduring role". The Swedish actress's Hollywood debut in Intermezzo had been well received, but her subsequent films were not major successes until Casablanca. Film critic Roger Ebert called her "luminous", and commented on the chemistry between her and Bogart: "she paints his face with her eyes". Other actresses considered for the role of Ilsa included Ann Sheridan, Hedy Lamarr, Luise Rainer, and Michèle Morgan. Producer Hal Wallis obtained the services of Bergman, who was contracted to David O. Selznick, by lending Olivia de Havilland in 
Title: Casablanca (film)
Content:  as a Moroccan rug merchant ; Richard Ryen as Colonel Heinze, Strasser's aide ; Dan Seymour as Abdul the doorman ; Gerald Oliver Smith as the Englishman whose wallet is stolen ; Norma Varden as the Englishwoman whose husband has his wallet stolen  The play's cast consisted of 16 speaking parts and several extras; the film script enlarged it to 22 speaking parts and hundreds of extras. The cast is notably international: only three of the credited actors were born in the United States (Bogart, Dooley Wilson, and Joy Page). The top-billed actors are: The second-billed actors are: Also credited are: Notable uncredited actors 
Title: Madeleine Lebeau
Content:  Later that year she was cast in the role of Yvonne, Humphrey Bogart's character's discarded mistress, in Casablanca. Warner Bros. signed her to a $100-a-week contract for twenty-six weeks to be in a number of films. On 22 June, while she was filming her scenes in Casablanca, her husband, Marcel Dalio, who played Emil the croupier in the same film, filed for divorce in Los Angeles on the grounds of desertion. They divorced in 1942. Shortly before the release of the film, Warner Bros. terminated her contract. After Joy Page died in April 2008, Lebeau was the last surviving credited cast member of Casablanca. She told Charlotte Chandler, author of a biography of female lead Ingrid 
Title: Casablanca (film)
Content:  earlier. It had its world premiere on November 26, 1942, in New York City and was released nationally in the United States on January 23, 1943. The film was a solid if unspectacular success in its initial run. Exceeding expectations, Casablanca went on to win the Academy Award for Best Picture, while Curtiz was selected as Best Director and the Epsteins and Koch were honored for Best Adapted Screenplay. Its reputation has gradually grown, to the point that its lead characters, memorable lines,   and pervasive theme song  have all become iconic, and it consistently ranks near the top of lists of the greatest films in history. In 1989, the United States Library of Congress selected the film as one of the first for preservation in the National Film Registry.
Title: 1943 in film
Content: January 23 – The film Casablanca is released nationally in the United States and becomes one of the top-grossing pictures of 1943. It goes on to win the Best Picture and Best Director awards at the 16th Academy Awards. ; February 20 – American film studio executives agree to allow the United States Office of War Information to censor films. ; June 1 – Veteran English stage and screen actor Leslie Howard dies at the age of 50 in the crash of BOAC Flight 777 off the coast of Galicia, Spain. While best remembered for his role as Ashley Wilkes in Gone with the Wind, Howard had roles in many other notable films and was twice nominated for the Academy Award for Best Actor. ; November 23 – British Forces Broadcasting Service begins operation ; December 31 – New York City's Times Square greets Frank Sinatra at Paramount Theater 
Title: Casablanca (film)
Content:  Epstein were initially assigned to write the script. However, despite studio resistance, they left to work on Frank Capra's Why We Fight series early in 1942. Howard Koch was assigned to the screenplay until the Epsteins returned a month later. Principal photography began on May 25, 1942, ending on August 3; the film was shot entirely at Warner Bros. Studios in Burbank, California with the exception of one sequence at Van Nuys Airport in Van Nuys, Los Angeles. Although Casablanca was an A-list film with established stars and first-rate writers, no one involved with its production expected it to stand out among the hundreds of pictures produced by Hollywood yearly. Casablanca was rushed into release to take advantage of the publicity from the Allied invasion of North Africa a few 
Title: Casablanca (1955 TV series)
Content:  Academy of Motion Picture Arts and Sciences insisted that since Casablanca was not released nationally until early 1943, it would compete at the Award ceremony taking place in 1944. Sixteen months after its New York premiere, Casablanca won Best Picture, Best Director and Best Adapted Screenplay for Julius J. Epstein, Philip G. Epstein and Howard Koch. There were five additional nominations: Best Actor (Humphrey Bogart), Best Supporting Actor (Claude Rains), Best Cinematography, Black-and White (Arthur Edeson), Best Film Editing (Owen Marks) and Best Music, Scoring of a Dramatic or Comedy Picture (Max Steiner). More than a decade later, Warner Bros Television chose its Best Picture nominees for 1943, Casablanca (in addition to the winner, Warners had a second nominee, Watch on the Rhine), and 1942, Kings Row 

Question: who played the female lead in the 1942 film casablanca?
Answer: romantic drama.
Ingrid Bergman.