Richard Todd
Michael Redgrave
Ursula Jeans
Basil Sydney
Charles Carson
Stanley Van Beers
Colin Tapley
Patrick Barr
Derek Farr
Robert Shaw
Patrick McGoohan
Mostly Negative
2.9
User Score
113 votes
During World War II, the British seek to shorten the conflict and plan a bold mission to attack the industrial heart of Germany. At first, the objective seems insurmountable. However, a brilliant British scientist invents an innovative and effective weapon, which will enable them to carry out their plan successfully.
Richard Todd
Michael Redgrave
Ursula Jeans
Basil Sydney
Charles Carson
Stanley Van Beers
Colin Tapley
Patrick Barr
Derek Farr
Robert Shaw
Patrick McGoohan
Associated British Picture Corporation (ABPC)
R.C. Sherriff
Guy Gibson
Paul Brickhill
Writer (Novel)
Michael Anderson
Leighton Lucas