 Cliff RobertsonWing Commander Roy Grant | Wing Commander Roy Grant |
 George ChakirisLieutenant Erik Bergman | Lieutenant Erik Bergman |
 Maria PerschyHilde Bergman | Hilde Bergman |
 Harry AndrewsAir Vice-Marshal Davis | Air Vice-Marshal Davis |
 Donald HoustonGroup Captain Don Barrett | Group Captain Don Barrett |
 Michael GoodliffeSquadron Leader Frank Adams | Squadron Leader Frank Adams |
 John MeillonFlight Lieutenant Gillibrand | Flight Lieutenant Gillibrand |
 John BonneyFlight Lieutenant Scott | Flight Lieutenant Scott |
 Angus LennieFlying Officer Hoppy Hopkinson | Flying Officer Hoppy Hopkinson |
| SScot FinchFlying Officer Bissell | Flying Officer Bissell |
| JJohn ChurchFlying Officer Evans | Flying Officer Evans |
 Barbara ArcherRosie, barmaid at the Black Swan Inn | Rosie, barmaid at the Black Swan Inn |
| SSean KellyLieutenant Nigel | Lieutenant Nigel |
| JJulian SherrierFlight Lieutenant Singh | Flight Lieutenant Singh |
| GGeoffrey FrederickFlight Lieutenant Frank | Flight Lieutenant Frank |
 Johnny BriggsLieutenant Jones | Lieutenant Jones |
 Suzan FarmerWAAF Sergeant Mary Blake / Bissell | WAAF Sergeant Mary Blake / Bissell |
| AAnne RidlerSS Interrogator | SS Interrogator |
| PPeter KrissLieutenant Maner (uncredited) | Lieutenant Maner (uncredited) |
| CCavan MaloneEricson, Norwegian Resistance (uncredited) | Ericson, Norwegian Resistance (uncredited) |
| RRichard ShawJohanson, Norwegian Resistance (uncredited) | Johanson, Norwegian Resistance (uncredited) |
