| Det. Insp. Jack Regan | 约翰·肖
 | |
| Det. Sgt. George Carter | 丹尼斯·瓦特曼
 | |
| Elliott McQueen | 巴里·福斯特
 | |
| Charles Baker MP | 伊安·邦纳
 | |
| Frank Chadwick | Colin Welland
 | |
| Bianca Hamilton | Diane Keen | |
| Johnson | Michael Coles | |
| Ronnie Brent | Joe Melia | |
| Mac | Brian Glover | |
| Janice Wyatt | Lynda Bellingham | |
| Flying Squad Commander | Morris Perry | |
| Secret Serviceman | 保罗·安吉利斯
 | |
| Det. Con. Gerry Burtonshaw | 尼克·布莱波尔
 | |
| Det. Sgt. Tom Daniels | John Alkin | |
| Det. Chief Insp. Matthews | Bernard Kay | |
| Johnson's Henchman | Antony Scott | |
| Murder Inquiry Superintendent | Anthony Brown | |
| Chadwick's Deputy Editor | John Oxley | |
| Carter's Neighbour | Peggy Aitchison | |
| Manservant | Hal Jeayes | |
| Sally | Sally Osborn | |
| Special Branch Sergeant | John Kane | |
| Johnson's Henchman | Chris Dillinger | |
| Murder Inquiry Inspector | Peter Childs | |
| Detective Inspector | Alan Mitchell | |
| Pathologist | Leonard Kavanagh | |
| Coroner | Anthony Woodruff | |
| PPS | Michael Latimer | |
| Traffic Police Sergeant | Matthew Long | |
| McQueen's Secretary | Joyce Grant | |
| Scotland Yard Duty Sergeant | Johnny Shannon | |
| Young Boy | David Corti | |
| Chadwick's Secretary | Susan Skipper | |
