
Allied agents infiltrate the Nazi rocket complex at Peenemunde in order to obtain their secrets and sabotage the plant. The film alternates between German developments of the V-1 missile and V-2 rocket (with a German cast speaking their own language) and discovery by British Intelligence of the weapon.

as Nora Van Ostamgen

as Lt. John Curtis

as Professor Lindemann

as General Boyd

as Duncan Sandys

as Robert Henshaw

as Captain Phil Bradley

as Bamford

as Frieda

as General Ziemann

as General Linz

as Hannah Reitsch

as Wing Cmdr. Kendall

as Constance Babington Smith

as Flight Lt. Kenny

as RAF Officer

as Prime Minister Winston Churchill

as German Police Inspector

as Col. Kenneth Post

as Sir Charles Sims

as German Technical Examiner

as Prof. Hoffer

as Dutch Technical Examiner

as German Hotel Porter

as German Officer

as German Officer

as Air Commodore

as SS Sturmbannfuhrer

as German Police Officer

as German Policeman

as Technical Examiner

as Soldier at Rocket Plant

as SS Officer at Rocket Plant

as RAF Dakota Pilot

as Lorry Driver in Airfield