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