After three British Agents are assigned to assassinate a mysterious German spy during World War I, two of them become ambivalent when their duty to the mission conflicts with their consciences.


Books with substantial mentioning of Secret Agent

Alain Kerzoncuf and Charles Barr
Hitchcock lost and found, The forgotten films
Lexington, Kentucky, 2015

Charles Barr
English Hitchcock, A Movie Book
Moffat, 1999

Robert A. Harris & Michael S. Lasky
The Films of Alfred Hitchcock
Secaucus, NJ, 1979

Donald Spoto
The Art of Alfred Hitchcock, Fifty Years of His Motion Pictures
New York, 1976

Books with an entry on Secret Agent

Ivan Butler
Cinema in Britain, An illustrated Survey
South Brunswick and New York - London, 1973