- Santana was the name of Humphrey Bogart's yacht, which he purchased from June Allyson and 'Powell, Dick' . He loved the Santana so much he named his production company after it.
- The character of Gaye Dawn (Claire Trevor) was based on real-life moll Gay Orlova (Lucky Luciano's girlfriend), allegedly executed by a German firing squad.
- The main character, Frank McCloud, describes having served with Nora's late husband in the WWII battle at San Pietro, Italy; director/co-screenwriter 'John Huston' had been involved in that battle as the creator of the documentary film San Pietro (1945) while he was in the armed services' motion picture division.
- Fourth and final film pairing of Bogart and Bacall. A fifth film was planned several years later, but Bogart died before it could be made.
- In the film, James Temple describes the 1935 hurricane that devastated Matacumbe Key. This was one of worst hurricanes in U.S. history and many of the victims of the storm were World War I veterans who were building the Florida Keys portion of U.S. Highway 1, also known as the Overseas Highway. A portion of the highway is seen in the film's opening. The storm also produced the lowest-ever recorded barometric pressure over land in the North American continent.
Please support TCMDB by adding to this information.Click here to contribute