 Margaret LockwoodAnna Bomasch | Anna Bomasch |
 Rex HarrisonGus Bennett | Gus Bennett |
 Paul HenreidKarl Marsen | Karl Marsen |
 Basil RadfordCharters | Charters |
 Naunton WayneCaldicott | Caldicott |
 James HarcourtAxel Bomasch | Axel Bomasch |
 Felix AylmerDr. Fredericks | Dr. Fredericks |
 Wyndham GoldieDryton | Dryton |
 Roland CulverRoberts | Roberts |
 Eliot MakehamSchwab | Schwab |
 Raymond HuntleyKampenfeldt | Kampenfeldt |
 Austin TrevorCapt. Prada | Capt. Prada |
 Kenneth KentController | Controller |
 C. V. FranceAdmiral Hassinger | Admiral Hassinger |
 Frederick ValkGestapo Officer | Gestapo Officer |
 Morland GrahamTeleferic Attendant | Teleferic Attendant |
 Adolf HitlerSelf (archive footage) | Self (archive footage) |
 David HorneCzech Official (uncredited) | Czech Official (uncredited) |
| WWilfred WalterCzech Official (uncredited) | Czech Official (uncredited) |
| WWinifred OughtonMartha (uncredited) | Martha (uncredited) |
 John WengrafKL Physician (uncredited) | KL Physician (uncredited) |
 Charles OliverKL Officer (uncredited) | KL Officer (uncredited) |
 Allan JeayesKL Prisoner (uncredited) | KL Prisoner (uncredited) |
 Albert LievenPaul - KL Guard (uncredited) | Paul - KL Guard (uncredited) |
 Wally PatchFisherman (uncredited) | Fisherman (uncredited) |
| AArthur DentonDeckchair Attendant (uncredited) | Deckchair Attendant (uncredited) |
 Ian FlemingBritish Official (uncredited) | British Official (uncredited) |
 Howard Marion-CrawfordCheckpoint Officer (uncredited) | Checkpoint Officer (uncredited) |
 Bryan HerbertTrain Inspector (uncredited) | Train Inspector (uncredited) |
 Irene HandlStationmaster (uncredited) | Stationmaster (uncredited) |
