 | Alec Guinness als Maj. Jock Sinclair, D.S.O., M.M. |
 | John Mills als Lt. Col. Basil Barrow (Battalion Commander) |
 | Dennis Price als Maj. Charles 'Charlie' Scott, M.C. (Battalion Executive Officer) |
 | Kay Walsh als Mary Titterington |
 | Susannah York als Morag Sinclair |
 | John Fraser als Cpl. Piper Ian Fraser |
 | Gordon Jackson als Capt. Jimmy Cairns, M.C. (Battalion Adjutant) |
 | Duncan Macrae als Pipe Maj. Duncan MacLean |
 | Percy Herbert als RSM Riddick |
 | Allan Cuthbertson als Capt. Eric Simpson |
 | John Harvey als Sergeant (Bridge Hotel) |
 | Frazer Hines |
 | Peter McEnery als 2nd Lt. David Mackinnon |
| Ronald Neame | Director |
| James Kennaway | Writer |
| Colin Lesslie | Producer |
| Albert Fennell | Executive Producer |
| Malcolm Arnold | Original Music Composer |
| Arthur Ibbetson | Director of Photography |
| Anne V. Coates | Editor |
| Wilfred Shingleton | Production Design |
| Harry Frampton | Makeup Artist |
| Barbara Ritchie | Hairstylist |
| Pat Marsden | Production Manager |
| Maureen Whitty | Production Secretary |
