 Merle OberonMrs. Richardson | Mrs. Richardson |
 Ralph RichardsonWing Commander Richardson | Wing Commander Richardson |
 June DuprezJune | June |
 Flora RobsonQueen Elizabeth I (archive footage) | Queen Elizabeth I (archive footage) |
 Robert DouglasBriefing Officer | Briefing Officer |
 Anthony BushellPilot | Pilot |
 Brian WorthBobby | Bobby |
 Austin TrevorSchulemberg - German Air Chief of Staff | Schulemberg - German Air Chief of Staff |
| IIvan BrandtAir Officer | Air Officer |
 G.H. MulcasterController | Controller |
 Herbert LomasHolveg | Holveg |
 Milton RosmerHead of Observer Corps | Head of Observer Corps |
 Ronald AdamGerman Bomber Chief | German Bomber Chief |
 Robert RendelBritish Chief of Air Staff | British Chief of Air Staff |
 John LongdenUnnamed Character | Unnamed Character |
 Archibald BattyAir Officer | Air Officer |
 Ian FlemingAir Officer | Air Officer |
 Charles CarsonAnti-aircraft Officer | Anti-aircraft Officer |
 John PenroseUnnamed Character | Unnamed Character |
| FFrank TickleUnnamed Character | Unnamed Character |
 John RobinsonUnnamed Character | Unnamed Character |
 Derrick De MarneyBill - Navigator | Bill - Navigator |
 Carl JaffeUnnamed Character | Unnamed Character |
| GGerald CaseUnnamed Character | Unnamed Character |
 Torin ThatcherSeaman Receiving Information About German Activity | Seaman Receiving Information About German Activity |
 Bernard MilesCivilian Observer Controller | Civilian Observer Controller |
| EE. V. H. EmmettCommentator | Commentator |
