The Sound of Music (film) of the film; the actor accepted after being assured that he could work with Lehman to improve the character; Plummer later described himself as having become quite arrogant at the time, "spoiled by too many great theater roles". Wise also spent considerable time and effort on casting the secondary characters. For the role of Max Detweiler, Wise initially considered Victor Borge, Noël Coward, and Hal Holbrook among others before deciding on Richard Haydn. For the character of Baroness Elsa Schraeder, Wise looked for a "name" actress—Andrews and Plummer were not yet widely known to film audiences—and decided on Eleanor Parker.
The Sound of Music (film) photographed in 70 mm Todd-AO by Ted McCord and produced with DeLuxe Color processing and six-track sound recording. In December 1962, 20th Century Fox president Richard D. Zanuck hired Ernest Lehman to write the screenplay for the film adaptation of the stage musical. Lehman reviewed the original script for the stage musical, rearranged the sequence of songs, and began transforming a work designed for the stage into a film that could use the camera to emphasize action and mood, and open the story up to the beautiful locations of Salzburg and the Austrian Alps. The "Do-Re-Mi" sequence in the play,