Four of the actors from this movie - Mako, Dante Basco, James Hong and Clyde Kusatsu - would work together again in Avatar: The Last Airbender: The Storm (2005), in which all four voiced characters.
Hey Terminator... I don't know where you came from, but you better go back.
when Jeff's fighting in the warehouse, he beats up about six people. One of them has a red bandanna on, which gets knocked off. In the next frame, the bandanna is back on the guy's head.
Before the credits there is the following line: 'This film is dedicated to Ed Parker and the spirit of Kenpo.'
TV versions airing on TBS have two additional scenes in which Jennifer (Mariska Hargitay) has lines: one after Kim's funeral, in which she and Jeff catch up; and the other some days later, in which Jennifer and Jeff share a kiss before ninjas attack the two at the garden where she works. Theatrical and video versions have edited out any romance between Jennifer and Jeff in the story.
$3,934,572 17 March 1991