 | Harry Andrews | Senior Civil Servant |
 | Michael Caine | Squadron Leader Canfield |
 | Trevor Howard | Air Vice Marshal Keith Park |
 | Curd Jürgens | Baron von Richter |
 | Ian McShane | Sgt. Pilot Andy |
 | Kenneth More | Group Capt. Baker |
 | Laurence Olivier | Air Chief Marshal Sir Hugh Dowding |
 | Nigel Patrick | Group Capt. Hope |
 | Christopher Plummer | Squadron Leader Colin Harvey |
 | Michael Redgrave | Air Vice Marshal Evill |
 | Ralph Richardson | Sir David Kelly - British Minister to Switzerland |
 | Robert Shaw | Squadron Leader Skipper |
 | Patrick Wymark | Air Vice Marshal Trafford Leigh-Mallory |
 | Susannah York | Section Officer Maggie Harvey |
 | Michael Bates | Warrant Officer Warwick |
 | Robert Flemyng | Wing Cmdr. Willoughby |
 | Isla Blair | Mrs. Andy |
 | Barry Foster | Sqd. Leader Edwards |
| John Baskcomb | Farmer |
 | Edward Fox | Pilot Officer Archie |
| Tom Chatto | Willoughby's Assistant Controller |
 | W.G. Foxley | Squadron Leader Evans |
 | James Cosmo | Jamie |
 | David Griffin | Sgt. Pilot Chris |
 | Jack Gwillim | Senior Air Staff Officer |
 | André Maranne | French NCO |
| Myles Hoyle | Peter |
 | Anthony Nicholls | Minister |
 | Duncan Lamont | Flight Sgt. Arthur |
| Nicholas Pennell | Simon |
 | Sarah Lawson | Skipper's Wife |
| Andrzej Scibor | Ox |
| Mark Malicz | Pasco |
 | Jean Wladon | Jean Jacques |
 | Wilfried von Aacken | Gen. Osterkamp |
| Reinhard Horras | Bruno |
 | Karl-Otto Alberty | General Jeschonnek - Luftwaffe Chief of Staff |
| Helmut Kircher | Boehm |
| Alexander Allerson | Maj. Brandt |
| Paul Neuhaus | Maj. Föhn |
| Dietrich Frauboes | Field Marshal Milch (Inspector General, Luftwaffe) |
| Malte Petzel | Col. Beppo Schmidt (Luftwaffe Intelligence) |
| Alf Jungermann | Brandt's Navigator |
| Manfred Reddemann | Maj. Falke |
| Peter Hager | Field Marshal Albert Kesselring |
| Hein Riess | Reichsmarschall Hermann Göring |
| Wolf Harnisch | Gen. Fink |
| Rolf Stiefel | Adolf Hitler |
 | Nikki Van der Zyl | Dubbing (voice) |
| Tony Allen | NCO in Plotting Room (uncredited) |
 | Paul Angelis | Albert (uncredited) |
| Graham Armitage | Radar Officer (uncredited) |
 | Hilda Barry | Old Lady (uncredited) |
 | Roy Beck | French Soldier / RAF Pilot (uncredited) |
| Kate Binchy | Grace (uncredited) |
| Ernest Blyth | Civilian Watching German Bomber Crash (uncredited) |
| A. J. Brown | Air Observer (uncredited) |
| Daniel Brown | Refugee (uncredited) |
| Fay Bura | Woman in Air Raid Shelter (uncredited) |
| Mary Burleigh | Minor Role (uncredited) |
| Bill Burns | RAF Officer (uncredited) |
| Pauline Chamberlain | Woman in Church Hall Shelter (uncredited) |
 | Massimo Ciprari | German Soldier (uncredited) |
 | Günter Clemens | Pilot - Falke's Crew (uncredited) |
 | John Comer | Policeman (uncredited) |
| Les Conrad | RAF Sergeant (uncredited) |
| Victor Croxford | Refugee (uncredited) |
| George Curtis | Man in Air Raid Shelter (uncredited) |
 | Basil Dignam | Tactical Records Officer (uncredited) |
 | Eric Dodson | RAF Officer (uncredited) |
| Jim Dowdall | German Pilot (uncredited) |
| Hugh Elton | Docker (uncredited) |
 | Harry Fielder | Soldier (uncredited) |
| Meriel Forbes | Undetermined Role (uncredited) |
 | Gareth Forwood | Alistair (uncredited) |
| Paddy Frost | Edith (uncredited) |
| Hugh Futcher | RAF Ground Crew (uncredited) |
 | Brian Grellis | RAF Cpl. Ernie (uncredited) |
| Michael Guest | General Staff Officer (uncredited) |
| Barry Halliday | 'A' Station Pilot (uncredited) |
 | Paul Hansard | Karl (uncredited) |
| Vincent Harding | ADC to Hitler (uncredited) |
 | Pat Heywood | WRAF Cpl. Seymour (uncredited) |
| Stuart Hoyle | 'A' Station Pilot (uncredited) |
| Desmond Jordan | General Staff Officer (uncredited) |
| Geoffrey King | Air Observer (uncredited) |
 | Jack Le White | Archie's Taxi Driver (uncredited) |
| Aileen Lewis | Woman in Air Raid Shelter (uncredited) |
| Illona Linthwaite | Wendy (uncredited) |
 | Maureen Lipman | Radar Operator (uncredited) |
 | Reg Lye | Workman (uncredited) |
 | David McKail | Lac Arnold (uncredited) |
| Harald Meister | Pilot - Föhn's Crew (uncredited) |
| Rosalind Mendleson | Refugee (uncredited) |
 | George Merritt | Civilian (uncredited) |
 | Hilary Minster | Pilot - Falke's Crew (uncredited) |
| Ingo Mogendorf | Pilot - Falke's Crew (uncredited) |
 | Richard Morant | Replacement Pilot - Red Section 'Red 2' (uncredited) |
| Richardson Morgan | British Embassy Valet (uncredited) |
| Steve Morley | Boy Watching Archie's Parachute Landing (uncredited) |
| Christopher Morris | Boy (uncredited) |
| Geoffrey Morris | Air Observer (uncredited) |
| Norman Morris | RAF Sergeant in Shelter (uncredited) |
| Douglas Nottage | Sergeant Pilot - Föhn's Crew (uncredited) |
 | Hugo Panczak | Pilot - Falke's Crew (uncredited) |
| Clifford Parrish | Kelly's Butler (uncredited) |
| Eileen Peel | Lady Kelly (uncredited) |
 | David Quilter | 'A' Station Pilot (uncredited) |
 | Pam Rose | WAF in the Plotting Room (uncredited) |
 | George Roubicek | Sergeant Pilot - Falke's Crew (uncredited) |
 | John Savident | RAF Officer (uncredited) |
| Clive Scott | 'A' Station Pilot (uncredited) |
| Jack Sharp | Old Man (uncredited) |
| Albert Shepherd | Soldier at Self-Propelled Gun (uncredited) |
| Sadie Slade | Radio Operator (uncredited) |
 | Kathleen St John | Old Lady (uncredited) |
| Philip Stewart | Man in Air Raid Shelter (uncredited) |
| Frank Sussman | ADC in Intelligence Maps Office (uncredited) |
 | Nick Tate | RAF Pilot (uncredited) |
| John Tatham | Fighter Command Officer (uncredited) |
| Reg Thomason | RAF Sergeant (uncredited) |
| Chris Tranchell | 'A' Station Pilot (uncredited) |
| Joseph Tregonino | Refugee (uncredited) |
| Paul Tropea | Peasant Boy (uncredited) |
| Rosetta Tropea | Peasant Girl (uncredited) |
 | Michael Trubshawe | Air Observer (uncredited) |
 | Alan Tucker | Charlie (uncredited) |
| Franz Van Norde | Pilot - Föhn's Crew (uncredited) |
| Mickey Varey | Rescue Worker (uncredited) |
| Dagobert Walter | Hans Falke (uncredited) |
 | David Webb | RAF Officer (uncredited) |
| Peter Wesp | Pilot - Föhn's Crew (uncredited) |
 | Alister Williamson | Air Raid Warden (uncredited) |
| Fred Wood | Rescue Worker (uncredited) |
67% 
79%