- Country: UK
- Genres: Crime, Drama, Mystery
- Release: 1961-07-26
- Director: Basil Dearden
- Writers: David Pursall , Jack Seddon
- Language: English
- Stars: Stewart Granger , Bernard Lee , Haya Harareet , Hugh Burden , Lee Montague , Melissa Stribling , Conrad Phillips , John Lee , Norman Bird , Peter Illing
- Runtime: 91 min
- Awards: N/A
- AKA: Scotland Yard contre X (France, French Republic) , Partenerul secret (Romania) , La tercera llave (Spain) , Il complice segreto (Italy) , Der unheimliche Komplize (Austria) , O agnostos me tin maska (Greece) , Cichy wspólnik (Poland) , Der unheimliche Komplize , Tajni partner , Scotland Yard contre X (Canada) , The Secret Partner (United Kingdom) , The Secret Partner (Canada) , Salainen kumppani (Finland) , Skuggan (Sweden) , Hemmelig partner (Norway) , El socio secreto (Mexico) , Den hemmelige partner (Denmark) , O Sócio Secreto (Brazil) , The Secret Partner (United States of America) , O Sócio Secreto (Portugal, Portuguese Republic) , Titkos társ (Hungary) , Тайный партнёр , The Secret Partner
- Plot: A wealthy London-based shipping magnate is blackmailed by an evil dentist which threatens to reveal an old case of fraud, while the dentist himself is threatened by a mysterious masked man.
- IMDB:tt0055422
The Secret Partner Cast · · · ALL
Basil Dearden
Director
Stewart Granger
John Brent
Haya Harareet
Nicole Brent
Bernard Lee
D.S. Frank Hanbury
Hugh Burden
Charles Standish
Lee Montague
D.I. Tom Henderson
Melissa Stribling
Helen Standish
Conrad Phillips
Dr. Alan Richford
John Lee
Clive Lang
Norman Bird
Ralph Beldon
Peter Illing
Strakarios
Basil Dignam
Lyle
William Fox
Brinton