The 1943 musical play Oklahoma!, written by composer Richard Rodgers and lyricist/librettist Oscar Hammerstein II (see Rodgers and Hammerstein), was adapted into a musical film in 1955, starring Gordon MacRae, Shirley Jones (in her film debut), Rod Steiger, Charlotte Greenwood, Gloria Grahame, Gene Nelson, James Whitmore and Eddie Albert. The production was directed by Fred Zinnemann.
Oklahoma! was the first feature film photographed in the Todd-AO 70 mm widescreen process. It was simultaneously shot in the more established Cinemascope 35 mm format to allow presentation in theaters lacking 70 mm equipment.
In 2007, Oklahoma! was selected for preservation in the United States National Film Registry by the Library of Congress as being "culturally, historically, or aesthetically significant".