Hugh Williams
Colin Metcalfe
Griffith Jones
Police Inspector Gunter (as Griffiths Jones)
Deborah Kerr
Kari Alstad
Ralph Richardson
Frank Lockwood
Francis L. Sullivan
Kommandant Ulrich Wettau
Roland Culver
Cmdr. Pittwaters
Finlay Currie
Capt. Alstad
Niall MacGinnis
Olaf
Elizabeth Mann
Gerda
Raymond Huntley
Patricia Medina
Ingrid
Roland Pertwee
Capt. Waverley
Henry Oscar
Newspaper Editor
David Horne
Evans, Foreign Editor
Henry Hewitt
Jack, News Editor
John Warwick
Milligan, Reporter in Fleet Street Pub
Brefni O'Rorke
Political Journalist
Bernard Miles
McAllister (Irish Soldier)
Beckett Bould
Bergen, Spokesman of Langedal
Olaf Olsen
Langedal's Schoolmaster
Gus McNaughton
Army Sergeant
George Carney
Harry, Soldier in Fleet Street Pub
John Salew
"Man-in-the-Street" in Fleet Street Pub
Meriel Forbes
Milly, the Barmaid
Philip Friend
Pilot
George Merritt
German Trawler Captain
John Boxer
U-Boat Commander
H Victor Weske
Heinrich
Gerhard Kempinski
Barman, Bia Tonne in Oslo
George Spence
Norwegian Villager (uncredited)