Zac Efron gave Dwayne Johnson all the names to call him in the movie, like One Direction.
In an interview, Priyanka Chopra said that the role of the main antagonist was written for a man, but the director changed the role and the script upon meeting her.
Nina Dobrev, Ashley Benson, Alexandra Shipp, Shelley Hennig, Bianca A. Santos, and Denyse Tontz were considered for the role of Summer.
After scathing reviews poured in from critics and fans alike, Dwayne Johnson tweeted that the film wasn't made for critics.
In December 2016, Paramount pushed the release date back one week to May 26, 2017, to avoid competition with Alien: Covenant (2017).
The second film with Dwayne Johnson and Alexandra Daddario. The two worked together on San Andreas (2015).
Dwayne Johnson is the tenth professional wrestler to work on Baywatch, and the first wrestler turned actor who didn't appear on the show. Jorge Gonzáles, Jimmy Hart, Hulk Hogan, Randy Savage, Ric Flair, Leon White, Kevin Sullivan, Shawn Michaels, and Torrie Wilson appeared as guest stars on Baywatch (1989).
At one point, Mitch admits he hit rock bottom. "Rock Bottom" was the name of Dwayne Johnson's wrestling finishing move when he was known as The Rock in WWE.
Priyanka Chopra has said that she was a huge fan of the original TV series Baywatch (1989) as a girl in India.
Baywatch began filming in Florida at the same beach where Lee Hodge worked as a real lifeguard.
Dwayne Johnson (Mitch) played father of Alexandra Daddario (Summer) in San Andreas 2015 in which he saves her life.