Colin Dale
— Nick Diamond
Dursley McLinden
— Tim Diamond
Susannah York
— Lauren Bacardi
Saeed Jaffrey
— Mr. Patel
Patricia Hodge
— Betty Charlady/Brenda von Falkenberg
Roy Kinnear
— Jack Splendide
Jimmy Nail
— Boyle
Bill Paterson
— Chief Inspector Snape
Michael Robbins
— The Fat Man
Peter Eyre
— Gott
Nickolas Grace
— Himmell
Michael Medwin
— The Professor
Forbes Collins
— Henry von Falkenberg
José René Ruiz
— Johnny Naples (as Rene Ruiz)
Donald Standen
— Lawrence
Jim McManus
— Hammett
Robert Bathurst
— Vicar
Jonathan Linsley
— Bouncer
R.J. Bell
— Club Owner
Jenny Tomasin
— Traffic Warden
Joanna Dickens
— Large Woman
Alison Ruffelle
— Sales Girl
Auriol Goldingham
— Sales Girl
Cristina Avery
— Perturbed Mother
Charles Simon
— Grandfather
Geraldine Muir
— Granddaughter
Gerald Campion
— Uncle Holly
Ricky Diamond
— Harpoon Salesman
Mammoth
— Fat Man's Henchman
John McCoy
— Fatman's Henchman