Secret of Stamboul

The Secret of Stamboul is a 1936 British thriller film directed by Andrew Marton and starring Valerie Hobson, James Mason and Frank Vosper. It was written by Laslo Benedek, George A. Hill, Noel Langley, Andrew Marton, Richard Wainwright and Howard Irving Young, based from the 1935 novel The Eunuch of Stamboul by Dennis Wheatley. It was made at Shepperton Studios. The screenplay concerns a British agent who tries to thwart a revolution.