Diretor/a
Guy Hamilton
DIRETOR/A
Elenco (na ordem dos créditos)
James Mason
Cmdr. Max Easton
George Sanders
Sir Charles Holland
Vera Miles
Virginia Killain
Oliver Johnston
Minister
Robert Flemyng
Cmdr. John Larkin
William Kendall
Tom
Duncan Lamont
1st Special Branch man Gregson
Harry Andrews
Capt. Graham
Peter Barkworth
Sub Lt. Brown
Rachel Gurney
Clara Holland
Martin Stephens
John Holland
Waveney Lee
Marcia Holland
Charles Carson
Robert Holland
Junia Crawford
Susan
Henry B. Longhurst
Club Member
Roger Maxwell
Gerald Case
Donald Bisset
Desmond Roberts
Reginald Smith
Club Steward
Rosemary Dorken
WREN Officer
MacDonald Parke
Jason Parrish
Mavis Villiers
Adele Parrish
Ernest Clark
Cmdr. Bates
Alexander Archdale
Local Doctor(uncredited)
Jack Armstrong
Officer at Embassy Party(uncredited)
Eddie Boyce
Russian Officer at Embassy Party(uncredited)
Basil Dignam
Lt. Cmdr. Evans at P.R.O.(uncredited)
Mabel Etherington
Nightclub Patron(uncredited)
Roy Everson
Flag Secretary(uncredited)
Norman Fisher
Guest at Embassy Party(uncredited)
Gordon Harris
2nd Special Branch Man Jones(uncredited)
Percy Herbert
Bert, Second Policeman(uncredited)(unconfirmed)
Barbara Hicks
Miss Price(uncredited)
John Horsley
1st Editor(uncredited)
Frederick Kelsey
Club Member(uncredited)
John Le Mesurier
Head of the Admiralty(uncredited)
Ronald Leigh-Hunt
2nd Editor(uncredited)
Jimmy Lloyd
Nightclub Singer(uncredited)
Martin Lyder
John Lynn
Car Salesman(uncredited)
Richard Marner
Russian Officer Cornered by Max Easton(uncredited)
William Mervyn
Capt. Balfour(uncredited)
André Mikhelson
2nd Russian Officer(uncredited)
John More
American General at Embassy Party(uncredited)
Richard Neller
RN Officer at Embassy Party(uncredited)
Dickie Owen
Second Policeman(uncredited)
Joe Phelps
Frederick Piper
Hall Porter(uncredited)
Pat Ryan
Pearl Walters
Johnny Wyne
American Officer at Embassy Party(uncredited)
Stanley Zevic
1st Russian Officer(uncredited)