At just over $20 million, this movie is Michael Bay's lowest-budgeted film since his feature film debut, Bad Boys (1995). Bay, Mark Wahlberg, and Dwayne Johnson took pay cuts to keep the budget down.

The home of Frank Griga belongs to Michael Bay. It is also the former Miami home of Hulk Hogan, seen often in Hogan Knows Best (2005).

Dwayne Johnson bulked up to nearly 300 pounds for his role in this movie.

The Sun Gym gang made a total of seven failed attempts to kidnap their first victim.

When Dwayne Johnson rode in Daniel's car, the t-tops had to be removed because he was so tall.

Kurt Angle: the popular wrestler had another go with his old WWE opponent, Dwayne Johnson, in the prison brawl scene at the beginning of the film.

Wladimir Klitschko: At the beginning of the film, Lugo holds the punching bag for a heavyweight champion, who is wearing a USA shirt.

Vitaly Zdorovetskiy: the well-known Miami prankster of YouTube is briefly seen going down the stairs as Lugo goes up, following the kidnapping.