"A hard-nosed Chicago cop is sent to London to bring back an American mobster being held for extradition. Brannigan in his Irish-American way brings American law to the people of Scotland Yard but has to contend with a stuffy old London first."
John Wayne
as Lt. Jim Brannigan
Richard Attenborough
as Cmdr. Charles Swann
Judy Geeson
as DS Jennifer Thatcher
Mel Ferrer
as Mel Fields
John Vernon
as Ben Larkin
Ralph Meeker
as Capt. Moretti
Barry Dennen
as Julian
Lesley-Anne Down
as Luana
Del Henney
as Drexel
James Booth
as Charlie-the-Handle
Brian Glover
as Jimmy-the-Bet
John Stride
as Insp. Traven
Daniel Pilon
as Gorman
Arthur Batanides
as Angell
Pauline Delaney
as Mrs Cooper
Stewart Bevan
as Alex
Don Henderson
as Geef
Anthony Booth
as Freddy
Janette Legge
as Miss Rooke
Tony Robinson
as Motorcycle Courier
Kathryn Leigh Scott
as Miss Allen
Michael Crane
as Boyle
Tim Barlow
as Customs Inspector (uncredited)
Del Baker
as Man in Bar (uncredited)
Ernest Blyth
as Gentlemans Club Member (uncredited)
Willy Bowman
as Club Member (uncredited)
Mark Burns
as Jennifer's Fiance (uncredited)
John Cannon
as Policeman getting into car (uncredited)
Derek Chafer
as Policeman (uncredited)
Alan Chuntz
John Clifford
Leslie Crawford
as Man in Pub (uncredited)
Hugh Elton
as Wanted Man (uncredited)
Steve Emerson
as Man In Bar (uncredited)
Harry Fielder
as Passerby near Tower Bridge (uncredited)
Victor Harrington
as Diner at Gentlemans Club (uncredited)
Alan Harris
Frank Henson
as Man in Pub Fight (uncredited)
Alf Joint
Steve Kelly
as Gates (uncredited)
Juba Kennerley
Roy Lansford
as Neighbour (uncredited)
George Leech
Rick Lester
as Customer in Bar Fight (uncredited)
Raymond Mason
as Club Clerk (uncredited)
Declan Mulholland
Charles Pemberton
as Arthur (uncredited)
Dennis Plenty
Peter Porteous
as Masseur (uncredited)
Nosher Powell
Charles Price
Joe Ritchie
as Larkin's Club doorman (uncredited)
Jeff Silk
Guy Standeven
as Diner at La Terraza (uncredited)
Philip Stewart
John Tatham
Cy Town
Joe Wadham
as Police Driver (uncredited)
Roy Beck
as Onlooker (uncredited)
Douglas Hickox
Director
Laurie Shane
Gaffer
Christopher Trumbo
Screenplay
Michael Butler
William P. McGivern
William W. Norton
Arthur Gardner
Producer
Jules V. Levy
Michael Wayne
Executive Producer
Gerry Fisher
Director of Photography
Malcolm Cooke
Editor
Miriam Brickman
Casting
Edward Marshall
Art Direction
Emma Porteous
Costume Design
Alan Brownie
Makeup & Hair
Dave Grayson
Geoffrey Haine
Production Manager
Josie MacAvin
Set Dresser
Simon Kaye
Sound
Peter Brayham
Stunt Coordinator
Billy Horrigan
Stunts
Freddie Cooper
Camera Operator
Arnold Ross
Location Manager
Dominic Frontiere
Music
Ted Sturgis
Assistant Director
Vicki Deason
Production Secretary