The fight that broke out in the Locarno Ballroom wasn't scripted; it was a real fight, and the filmmakers kept it in the movie.
Gerry Marsden, his brother Freddie Marsden, Les McGuire and Chad Chadwick were part of the "British Invasion" of the 1960s with their band "Gerry and the Pacemakers." Their big hit, and signature song (written by Gerry) was "Ferry Cross the Mersey" which, of course, they perform in this film.
The world premiere took place at the Odeon in Glasgow on Sunday 20th December 1964. Gerry and the Pacemakers were starring in a show - Gerry's Christmas Cracker - all of the following week at the same venue. The Liverpool premiere took place in January 1965.
Elisabeth Sladen's debut.
Among the first of countless mid-sixties British "rock-and-roll band" movies hoping to replicate the smashing success of the Beatles' 1964 screen debut "A Hard Day's Night".