 | John Mills als Captain R.F. Scott R.N. |
 | Derek Bond als Captain L.E.G. Oates |
 | Harold Warrender als Dr. E. A. Wilson |
 | James Robertson Justice als P.O. (Taff) Evans R.N. |
 | Reginald Beckwith als Lt. H. R. Bowers RIM |
 | Kenneth More als Lt. E.G.R. (Teddy) Evans R.N. |
 | James McKechnie als Surgeon Lt. E.L. Atkinson R.N. |
 | John Gregson als P.O. T. Crean R.N. |
 | Norman Williams als Chief Stoker W. Lashly R.N. |
 | Barry Letts als Apsley Cherry-Garrard |
 | Clive Morton als Herbert Ponting F.R.P.S. |
| Anne Firth als Oriana Wilson |
 | Diana Churchill als Kathleen Scott |
 | Dennis Vance als Charles S. Wright |
| Larry Burns als P.O. P. Keohane R.N. |
| Edward Lisak als Dimitri |
| Melville Crawford als Cecil Meares |
 | Christopher Lee als Bernard Day |
| John Owers als F. J. Hooper |
 | Bruce Seton als Lt. H. Pennell R.N. |
 | Sam Kydd als Leading Stoker E. McKenzie R.N. |
| Mary Merrett als Helen Field |
| Percy Walsh als Chairman of Meeting |
 | Noel Howlett als First Questioner |
 | Philip Stainton als Second Questioner |
 | Desmond Roberts als Admiralty Official |
 | Dandy Nichols als Caroline |
| David Lines als Telegraph Boy |
| Charles Frend | Director |
| Michael Balcon | Producer |
| Walter Meade | Screenplay |
| Ivor Montagu | Screenplay |
| Mary Hayley Bell | Additional Dialogue |
| Sidney Cole | Associate Producer |
| Peter Tanner | Editor |
| Arne Åkermark | Art Direction |
| Jack Cardiff | Director of Photography |
| Osmond Borradaile | Additional Director of Photography |
| Geoffrey Unsworth | Additional Director of Photography |
| Hal Mason | Production Supervisor |
| Paul Beeson | Camera Operator |
| Chic Waterson | Camera Operator |
| Bob Moss | Camera Operator |
| Stephen Dalby | Sound Supervisor |
| Arthur Bradburn | Sound Recordist |
| Cecil R. Foster Kemp | Unit Production Manager |
| Raymond Anzarut | Unit Production Manager |
| Rowland Douglas | Assistant Director |
| Jean Graham | Continuity |
| Ernest Taylor | Makeup Artist |
| Harry Frampton | Makeup Artist |
| Barbara Barnard | Hairstylist |
| Anthony Mendleson | Wardrobe Designer |
| Natalie Kalmus | Other |
| Joan Bridge | Other |
| Richard Dendy | Special Effects |
| Norman Ough | Special Effects |
| Geoffrey Dickinson | Special Effects |
| Sydney Pearson | Special Effects |
| Jim Morahan | Visual Effects Art Director |
| Quintin Riley | Technical Advisor |
| David James | Technical Advisor |
| Ralph Vaughan Williams | Original Music Composer |
| Ernest Irving | Conductor |
