When Box is watching TV and is beeped to go to work, he is actually watching an episode of the original S.W.A.T. TV series.
When the French guy is being arrested after his first escape attempt, he is pressed face down onto one of the famous Hollywood Stars, specifically, Alex Trebeck's star. Alex Trebeck provides part of the voice over of this scene (playing a news reporter covering the story).
Rod Perry played Deacon Kay's father in the movie. Rod Perry was Deacon Kay in the TV Show.
The whole bank robbery scene from the beginning of the movie, with the 2 guys with AK-47 shooting at all those police officers, seems like the North Hollywood bank shootout of 1997. In fact some of the radio calls ("There's nothing we have that can stop them.") are from the actual event, as is some of the footage. The movie scene is loosely based on this event. They had 2 guys in full body armor shooting back at police officers, while getting hit with so many bullets, without even flinching. The real thing ended with one of the guys being finally shot in the head. The other one was injured and ended his own life before police could close in on him.
Steve Forrest was the driver of the S.W.A.T. truck, he played Hondo Harrelson in the TV Show.
When the SWAT team is preparing to move Montel to federal custody, Deke jokes that with Montel's $100 million reward to anyone who freed him, he could hire Halle Berry to be his yoga instructor. Olivier Martinez, who plays Montel, and Berry married in 2012.
Hondo Harrelson, Jim Street, Deacon Kay and T.J. McCabe were the names of the S.W.A.T. team members in the movie as well as the TV Show. The only one not in the movie that was in the TV Show was Dominic Luca.