Director
William Fairchild
DIRECTOR
Stars (in credits order)
Laurence Harvey
Lieutenant Crabb, R.N.V.R.
Dawn Addams
Third Officer Jill Masters, W.R.N.S.
Michael Craig
Leading Seaman Knowles
John Clements
The Admiral
Sidney James
Chief Petty Officer Thorpe
Alec McCowen
Able Seaman Morgan
Nigel Stock
Able Seaman Fraser
Ian Whittaker
Ordinary Seaman Thomas
Arnoldo Foà
Tomolino
Gianna Maria Canale
Conchita
Massimo Serato
Forzellini
Giacomo Rossi Stuart
Rosati
Carlo Giustini
Fellini
Raymond Young
Celloni
David Lodge
Sergeant
Ewen Solon
Willowdale Captain
Brian Oulton
Holford
Howard Marion-Crawford
Wing Commander
Cyril Shaps
Miguel
Lee Montague
Miguel's Mate
John Lee
Flag Lieutenant
Terence Longdon
Lieutenant Bailey
Ian MacNaughton
Sentry outside Admiral's Office
Alan Webb
British Consul
John Moffatt
Diving Volunteer
Harold Siddons
Army Interrogation Officer
Michael Brill
Naval Interrogation Officer
Andy Alston
Spanish Policemanuncredited
Andrew Andreas
Italian Crewmanuncredited
Jack Armstrong
Merchant Navy Captainuncredited
Jim O'Brady
Italian Seamanuncredited
Laurence Brooks
uncredited
Daniel Brown
Christopher Cooke
Minor Roleuncredited
Arthur Dibbs
Eddie Dillon
Crewmanuncredited
Harry Drew
Bernard Foreman
Barry Johns
Desmond Jordan
Gerry Judge
Italian Policemanuncredited
Murray Kash
Tattooed Sailoruncredited
Sydney King
Cruiser Captainuncredited
Edward Malin
High Ranking British Navy Officer at Conferenceuncredited
Alf Mangan
Jack May
Navy Doctoruncredited
Hugh Moxey
Royal Navy Captainuncredited
Derren Nesbitt
Officer in charge of security patrol boatuncredited
Fred Real
Officialuncredited
Ernie Rice
Robert Rietty
Rosatiuncredited,voice
Yvonne Romain
Spanish Girluncredited
Johnny Rossi
Jimmy Scott
Sleeping Seaman on Transport Planeuncredited
Paul Stassino
Spanish Waiteruncredited
Emile Stemmler
Dock Workeruncredited
Tom Watson
Airmanuncredited
Peter Welch
Helmsmanuncredited
Ron Whitwell
Jerome Willis
Navy Rating Lighting Cigaretteuncredited