According to the movie, "Reagan", what was Ronald Reagan's favorite movie?

Ronald Wilson Reagan (February 6, 1911 – June 5, 2004) was an American politician and actor who served as the 40th president of the United States from 1981 to 1989. A member of the Republican Party, he became an important figure in the American conservative movement, and his presidency is known as the Reagan era.

In the 2024 movie, "Reagan", he was being prepared for a public appearance and was getting frustrated trying to remember dates and details. His advisor asked him what his favorite movie was. He replied, "The Sound of Music". It was suggested that they quit for the day and Reagan and his wife, Nancy, watch the movie that evening and relax.

Reagan is a 2024 American biographical drama film directed by Sean McNamara and written by Howard Klausner, based on Paul Kengor's 2006 book The Crusader: Ronald Reagan and the Fall of Communism. The film stars Dennis Quaid as President Ronald Reagan, Penelope Ann Miller, Mena Suvari, Kevin Dillon, David Henrie, and Jon Voight.

Filming began on September 9, 2020, and included locations such as Guthrie, Oklahoma. Reagan was theatrically released in the United States on August 30, 2024. It received negative reviews from critics and grossed $30.1 million.

John Barletta, the only Secret Service Agent that could ride a horse, was chosen to protect Reagan while on horseback. He wrote a best-selling book, "Riding with Regan" about his time and relationship with the President.