Director
John Boulting
DIRECTOR
Roy Boulting
Stars (in credits order)
Gene Kelly
Lt. 'Brad' Bradville (USN)
John Justin
Lt. Roger Wharton
Bernard Lee
Able Seaman 'Lofty' Turner
Jeff Richards
Torpedoman's Mate Second Class 'Butch' Clelland (USN)
Sidney James
Able Seaman Charlie 'Badge' Badger
Patric Doonan
Petty Officer Herbert
Ray Jackson
Able Seaman 'Sprog' Sims
Fredd Wayne
Torpedoman's Mate 2nd Class Sam 'Shorty' Kaminsky (USN)
Patrick Barr
Commander Sinclair
David Orr
Able Seaman J.E. 'Haggis' Mackintosh
Ronald Adam
Member of Admiralty Board(uncredited)
William Baskiville
Sailor Responding to Fire Alarm(uncredited)
Peter Bathurst
Geoff - Deputy Director of Naval Research(uncredited)
Martin Boddey
Steve Donahue
James Drake
Frigate Officer(uncredited)
John Fabian
Lieutenant Lane(uncredited)
John Horsley
John Phillips - Medical Officer(uncredited)
Bill Rayment
Officers' Steward(uncredited)
John Rolfe
Wireless Operator(uncredited)
Pat Ryan
Barman(uncredited)
John Singer
Frigate Sailor(uncredited)
Harry Van Engel
Able Seaman Dawson(uncredited)
Lockwood West
Curly - Stores Petty Officer(uncredited)
Ian Wilson
Undetermined Secondary Role(uncredited)