Chicago Police Lieutenant Jim Brannigan is sent to the U.K. to escort organized crime boss Ben Larkin back to the U.S., but Larkin's hitmen prepare an ambush for Brannigan.
One sequence features shots of the interior and exterior of London's famous Royal Automobile Club, which has changed little since the shooting of this movie.
Brannigan:
Last time I was here people were getting bombed a different way!
When the police are staking out the postbox, the time on the 'Bulova' clock changes from 11:13 to 12:01 and back to 11:27 later.
Several of the actors who played minor parts are listed by actor's name in the opening titles but are not listed by actor's name and character's name in the closing credits.
English