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.
You can now watch Brannigan online on the following streaming providers in the United States.
| Directing | Douglas Hickox | Director |
| Writing | Michael Butler | Screenplay |
| Writing | William P. McGivern | Screenplay |
| Writing | Christopher Trumbo | Screenplay |
| Writing | William W. Norton | Screenplay |
| Directing | Ted Sturgis | Assistant Director |
| Production | Vicki Deason | Production Secretary |
| Lighting | Laurie Shane | Gaffer |
| Production | Arthur Gardner | Producer |
| Production | Jules V. Levy | Producer |
| Production | 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 |
| Costume & Make-Up | Alan Brownie | Makeup & Hair |
| Costume & Make-Up | Dave Grayson | Makeup & Hair |
| Production | Geoffrey Haine | Production Manager |
| Art | Josie MacAvin | Set Dresser |
| Sound | Simon Kaye | Sound |
| Crew | Peter Brayham | Stunt Coordinator |
| Crew | Billy Horrigan | Stunts |
| Camera | Freddie Cooper | Camera Operator |
| Production | Arnold Ross | Location Manager |
