| Captain Hardt | 康拉德·韦特
|
| Lt. Ashington / Cmdr. David Blacklock | 塞巴斯蒂安·肖
|
| Frau Tiel / Jill Blacklock | 瓦莱丽·霍布森
|
| Lt. Schuster | 马留斯·戈尔林
|
| Anne Burnett | 琼·杜普雷兹
|
| The Rev. Hector Matthews | Athole Stewart
|
| Mrs. Matthews | Agnes Lauchlan
|
| Mrs. Sedley | Helen Haye
|
| The Rev. John Harris | Cyril Raymond
|
| Captain (Walter) Ratter - ferry captain | George Summers
|
| Engineer | Hay Petrie
|
| Bob Bratt | Grant Sutherland
|
| Admiral | Robert Rendel
|
| Chauffeuse | Mary Morris
|
| Kate | Margaret Moffatt
|
| Commander Denis | Kenneth Warrington
|
| Submarine Officer | Torin Thatcher
|
| Maggie (uncredited) | Esma Cannon
|
| Corporal Guarding POW's On Ferry (uncredited) | Brian Herbert
|
| German Orderly (uncredited) | Skelton Knaggs
|
| Passport Official (uncredited) | Jack Lambert
|
| German officer in Kieler Hof Hotel (uncredited) | Howard Marion-Crawford
|
| Hans - the Hotel Receptionist (uncredited) | Bernard Miles
|
| Newlywed at Kiel Hotel (uncredited) | John Penrose
|
| Armed Guard of POW's on Ferry (uncredited) | Johnnie Schofield
|
| (uncredited) | Diana Sinclair-Hall
|
