 | Eric Portman Leading Seaman James Hobson, Hydrophones |
 | John Mills Lieutenant Freddie Taylor, RN, the Captain |
 | Reginald Purdell Chief Petty Officer Dickie Dabbs, Coxswain |
 | Niall MacGinnis Chief Petty Officer Mike 'T.I.' Corrigan, Torpedo Gunner's Mate |
 | Louis Bradfield Lieutenant Brace, RNR, First Officer |
 | Ronald Millar Lieutenant Ronnie Johnson, RNVR, Third Officer |
 | Jack Watling Lieutenant Jack Gordon, RN, Navigating Officer |
 | Caven Watson Chief Petty Officer Jock Duncan, Chief Engine Room Artificer |
 | Leslie Weston Leading Seaman 'Tug' Wilson, Leading Torpedo Operator |
 | Norman Williams 'Canada' - Periscope Operator |
 | Lionel Grose 'Spud' - Torpedo Operator |
 | David Peel 'Oxford' - Helmsman |
 | Philip Godfrey 'Flunkey' - Steward |
 | Robert Wilton Jr. 'Pincher' - Cook |
 | |
 | Unknown Arnold, Petty Officer with Tonsilitis |
 | Unknown 'Tiggy' |
 | Unknown 'Nobby' |
 | John D. Redmond 'Dusty' |
 | Philip Friend Lt. David Humphries |
 | Ian Fleming Captain (S) |
 | Tony Mendleson Dick, Lt. Commander in Wardroom |
 | John Salew Drake |
 | Unknown Lieutenant Browning |
 | Unknown Lieutenant Williams |
 | Unknown Amused Sailor |
 | Charlie Price Crewman Going on Leave (not 100% certain) |
 | Joan Sterndale-Bennett Gladys Harcourt |
 | Ian Wilson Cigarette Customer |
 | Joan Hopkins Ethel Dabbs |
 | Marie Ault Mrs. Metcalfe |
 | Unknown Neighbour |
 | Unknown Rudolph the Masseur |
 | Ian Selby Man in Health Club |
 | Bryan Powley Rear Admiral at Health Club |
 | George Cross Publican |
 | Ben Williams 'Slim,' Messenger |
 | Frederick Burtwell Sidney Briggs |
 | Vi Kaley Chip Shop Customer |
 | Josephine Wilson Alice Hobson |
 | David Trickett Peter Hobson |
 | Johnnie Schofield Police Sergeant in Chip Shop |
 | Unknown Chip Shop Customer |
 | Beatrice Varley Mrs. Dabbs |
 | Mike Johnson ARP Warden, Wedding Guest |
 | John Slater Charlie, Wedding Guest |
 | Unknown Wedding Guest |
 | Unknown Wedding Guest |
 | Walter Gotell Hans - Luftwaffe Oberleutnant |
 | Victor Beaumont Luftwaffe Leutnant |
 | Olaf Olsen 'Fritz' - Luftwaffe Airman |
 | Herbert Cameron Engine Room Artificer |
 | Unknown German Destroyer Lookout |
 | Unknown Lofty |
 | Vi Stevens Publican's Wife |
 | Unknown German Sentry |
 | Paul Demel German NCO |
 | Vincent Holman Captain of Ingeborg |
 | Robert Brooks Turner Trawler Captain |
 | Unknown Sea Tiger Crewman |
 | Unknown Sea Tiger Crewman |
 | Unknown Sea Tiger Crewman |
 | Unknown Sea Tiger Crewman |
 | Unknown Sea Tiger Crewman |
 | Franklyn Bennett Undetermined Role |
| Caryl Bruce Little Girl |
 | Kenneth Evans Undetermined Role |
| Molly Johnson Undetermined Role |
| John Olson Undetermined Role |
| Charles Russell Undetermined Role |
 | Gerik Schjelderup Undetermined Role |
 | Merle Tottenham Undetermined Role |
 | David Ward Undetermined Role |
 | HMS P.614 HMS Sea Tiger |
 | HMS P.615 HMS Sea Tiger |
 | HMS Safari HMS Sorceress (Humphries' Submarine) |
 | HMS Forth Depot Ship |
 | HMS Fury Attacking German Destroyer |