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) the gazebo—for the songs "Something Good" and "You Are Sixteen"—principal photography concluded on September 1, 1964. A total of eighty-three scenes were filmed in just over five months. Post-production work began on August 25 with three weeks of dialogue dubbing to correct lines that were ruined by various street noises and rain. In October, Christopher Plummer's singing voice was dubbed by veteran Disney playback singer Bill Lee. The film was then edited by Wise and film editor William Reynolds. Once the film was edited, Irwin Kostal, who orchestrated the musical numbers, underscored the film with background music consisting of variations