- Country: UK
- Genres: Adventure
- Release: 1938-04-08
- Director: Andrew Marton
- Writers: Dennis Wheatley , George A. Hill , Richard Wainwright , Howard Irving Young
- Language: Turkish | English
- Stars: Valerie Hobson , James Mason , Frank Vosper , Peter Haddon , Kay Walsh , Robert English , Laura Cowie , Andreas Malandrinos , Cecil Ramage , Emilio Cargher
- Runtime: 83 min
- Awards: N/A
- AKA: Le secret de Stamboul (France, French Republic) , The Spy in White (United States of America) , Ta mystiria tis Stamboul (Greece) , The Secret of Stamboul , Τα μυστήρια της Σταμπούλ (Greece) , The Secret of Stamboul (United Kingdom) , O Eunuco de Istambul (Brazil) , The Spy in White (United Kingdom) , Intrighi in oriente (Italy)
- Plot: The British agent Larry travels to Istanbul (Constantinople), Turkey in order to thwart a revolution.
- IMDB:tt0028233
The Secret of Stamboul Cast · · · ALL
Andrew Marton
Director
Valerie Hobson
Tania
Frank Vosper
Kazdim
James Mason
Larry
Kay Walsh
Diana
Peter Haddon
Peter
Laura Cowie
Baroness
Cecil Ramage
Prince Ali
Robert English
Sir George
Emilio Cargher
Renouf
Leonard Sachs
Arif
Andreas Malandrinos
Moltov