杰克·霍金斯
饰 Supt Tom Halliday
John Stratton
饰 Sergeant Ward
Dorothy Alison
饰 Mary Halliday
Michael Brooke
饰 Tony Halliday
Sam Kydd
饰 Police Constable in Information Room
Glyn Houston
饰 Detective Sergeant in 'Q' car
Richard Leech
饰 Nightwatchman / Gilson
Newton Blick
饰 Deputy Commander
杰弗里·基恩
饰 Chief Superintendent Jim Malcolm
Arthur Rigby
饰 Detective Inspector at Chester
拉尔夫·杜鲁门
饰 Colonel Blenkinsop
Ian Bannen
饰 The Young Workman - Stanley James
Maureen Davis
饰 The Young Workman's Wife - Mrs. James
John Warwick
饰 Detective Inspector at Shipping Office
Joss Ambler
饰 Cashier at Shipping Office
Barry Keegan
饰 Detective Constable in Hospital Ward
