Characters played by Trevor Howard
Lt. Cmdr Hugh Alginon Fraser
Characters played by Richard Attenborough
Able Seaman 'Dripper' Daniels
Characters played by Sonny Tufts
Ordinary Seaman 'Yank' Flanagan
Characters played by James Donald
Lt. Richard Jennings
No. 1
Characters played by Bernard Lee
A.S. 'Stripey' Wood
Characters played by Dora Bryan
Glad Flanagan
Characters played by Hugh Williams
Captain David G. Wilson
Division Commander
Characters played by Robin Bailey
Lt. Michael Grant
Pilot
Characters played by Meredith Edwards
Jones
Characters played by John Forrest
Appleby the Captain's Steward
Characters played by Patric Doonan
Petty Officer Martin
Characters played by Sidney James
Ned Hardy
Owner Golden Bull
Characters played by Tony Quinn
McConalog the Bartender
Characters played by James Kenney
John A. Fraser
Hugh's Son
Characters played by George Street
Court Member
Characters played by Hugh Hastings
Crewman
Characters played by James Carney
Bone
Characters played by Harold Siddons
Adm. Bartlett
Characters played by Harold Ayer
Lt. Cmdr Carson
Characters played by Charles Lloyd Pack
Member of Board of Inquiry
Characters played by Peter Bathurst
Member of Board of Inquiry
Characters played by William Russell
Crewman
Characters played by Anthony Oliver
Ship's Officer
Guns
Characters played by Joan Rice
June Mallory
WREN Cypher Clerk
Characters played by Chris Adcock
Crewman
Characters played by Michael Ashlin
Duncan
Characters played by John Brooking
Crewman
Characters played by John Clevedon
Crewman
Characters played by Cyril Conway
Minor Role
Characters played by Harold Coyne
Orderly
Characters played by Lyn Evans
Minor Role
Characters played by John Gabriel
Ship's Officer
Yeoman
Characters played by Eileen Harvey
WRNS Clerk
Characters played by Peter Hobbes
Daniels
Characters played by Glyn Houston
Assistant Engineer
Characters played by Barry Johns
Commando
Characters played by Cyril Kent
Crewman
Characters played by Jack May
Old Man in Pub
Characters played by Robert Moore
Crewman
Characters played by Michael Mulcaster
Minor Role
Characters played by David Oake
Crewman
Characters played by Olaf Pooley
German Interrogation Officer
Characters played by Alan Rolfe
Crewman
Characters played by George Spence
Man in Pub
Characters played by Harry Towb
Minor Role
Characters played by Tim Turner
Crewman
Characters played by John Warren
Minor Role
Characters played by Ann Wheatley
WREN
Characters played by Gwenda Wilson
Waitress
Characters played by John Wynn
Minor Role