The 39 Steps (1935) - on set - On set photograph from ''The 39 Steps'' (1935).The 39 Steps (1935) - on set - On set photograph from ''The 39 Steps''.The 39 Steps (1935) - on set - On set photograph from ''The 39 Steps''. From L-R: Penrose Tennyson, Madeleine Carroll, Robert Donat, Alfred Hitchcock, unknown.Secret Agent (1936) - still - Publicity still for ''Secret Agent''.The 39 Steps (1935) - on set - On set photograph from ''The 39 Steps'' (1935).Secret Agent (1936) - photograph - Photograph of Madeleine Carroll, Peter Lorre and John Gielgud (''Secret Agent'').Secret Agent (1936) - photograph - Photograph of John Gielgud and Madeleine Carroll (''Secret Agent'').Secret Agent (1936) - photograph - Publicity photograph from ''Secret Agent''.The 39 Steps (1935) - photograph - Photograph from ''The 39 Steps''.The 39 Steps (1935) - photograph - Photograph from ''The 39 Steps''.The 39 Steps (1935) - on set - On set photograph from ''The 39 Steps''.The 39 Steps (1935) - photograph - Publicity photograph from ''The 39 Steps''.Secret Agent (1936) - publicity still - Publicity still for ''Secret Agent'' (1936).Secret Agent (1936) - photograph - Photograph from ''Secret Agent''.The 39 Steps (1935) - on set - On set photograph from ''The 39 Steps'' (1935).