The Password is Courage is a 1962 film based on John Castle's 1954 Second World War memoir of the same name. It was written, produced and directed by Andrew L. Stone and stars Dirk Bogarde, Maria Perschy and Alfred Lynch. The film is a lighthearted take on the true story of Sergeant-Major Charles Coward, written under the pseudonym John Castle by Ronald Charles Payne and John Williams Garrod.