Viva Las Vegas
The film "Viva Las Vegas" starred Elvis Presley and Ann-Margret, but the production crew didn't initially plan on filming in real-life Las Vegas. However, the team was able to turn their act around in just a week and a half before the film was set to start production and solidified a location in Vegas.
Cary Grant's Name Change
After Cary Grant became a legal citizen of the United States in 1942, he changed his name from Archibald Leach to Cary. He had a prolific acting career thanks to his time in Vaudeville. He also had five wives throughout his lifetime.