Instantaneous echo, sir. Fire one!

Description: The World War II adventures of a British convoy escort ship and its officers.

Cast:
Ericson: Jack Hawkins
Lockhart: Donald Sinden
Ferraby: John Stratton
Morell: Denholm Elliott
Baker: John Warner
Bennett: Stanley Baker
Tallow: Bruce Seton
Watts: Liam Redmond
Julie Hallam: Virginia McKenna
Elaine Morell: Moira Lister
Doris Ferraby: June Thorburn
Tallow's Sister: Megs Jenkins
Yeoman Wells: Meredith Edwards
Phillips: Glyn Houston
Tonbridge: Alec McCowen
Wainwright: Leo Phillips
Signalman Rose: Dafydd Havard
Gracey: Fred Griffiths
Sellars: Laurence Hardy
Carslake: Sam Kydd
Gray: John Singer
Broughton: Barry Steele
Polish Captain: Gerard Heinz
Norwegian Captain: Gerik Schjelderup
French Captain: Gaston Richer
Scott Brown: Andrew Cruickshank
Raikes: Barry Letts
Allingham: Kenn Kennedy
ASDIC Operator: Harold Goodwin
Admiral At Party: George Curzon
R.N. Lieutenant: Anthony Snell
R.N.Captain: Ronald Simpson
Lieutenant-Commander: Don Sharp
The Waiter: Herbert C. Walton
A Survivor: Jack Howard
A.R.P. Warden: Harold Jamieson
Petty Officer Instructor: Warwick Ashton
Radar Operator: Arthur Bentley
Seaman: Jack Dearlove
Warden: Walter Fitzgerald
Sonar Operator: Paddy Joyce
Sailor: Richard Leech
Lady at Party: Aileen Lewis
Briefing Room Officer: Fred Machon
Sailor in Water: Jim O'Brady
Officer: Paddy Smith
A.S.D.I.C. Officer: David Gideon Thomson
Admiral Murray-Forbes: Alan Webb

Written by: Nicholas Monsarrat, Eric Ambler

Director: Charles Frend

Production: Ealing Studios, Michael Balcon Productions

Release date: 19 Aug 1953