- Country: UK
- Genres: Mystery, Sci-Fi, Thriller
- Release: 1975-08-01
- Director: Jack Gold
- Writers: John Gould , Algis Budrys
- Language: English
- Stars: Elliott Gould , Trevor Howard (I) (1913–1988) , Joseph Bova , Joseph Bova , Edward Grover , John Lehne , James Noble , Lyndon Brook , Michael Lombard , Kay Tornborg , Joy Garrett
- Runtime: 93 min
- Awards: N/A
- AKA: Ο κατάσκοπος με την σιδερένια μάσκα (Greece) , O Homem da Máscara Dourada (Portugal, Portuguese Republic) , Cine? (Romania) , Teräsnaamio (Finland) , The Man with the Steel Mask , Кто? , Who? (Canada) , Spionen utan ansikte (Sweden) , La máscara de acero (Spain) , Roboman , Ο άνθρωπος με την ατσάλινη μάσκα (Greece) , L.M. O Homem de Metal (Brazil) , Robo Man , Prisoner of the Skull (Australia) , Who? (United Kingdom) , Mannen med stålmasken (Sweden) , Who? l'uomo dai due volti (Italy) , El hombre de la máscara de acero (Spain) , Lucas Martino, O Homem de Metal (Brazil) , Who? (United States of America) , Spionen uten ansikt (Norway) , Who? , Der Mann aus Metall , Das Phantom mit der Stahlmaske
- Plot: After an American scientist is severely injured and scarred in a car crash along the border with East Germany, he is captured by East German military. The scientists use metal implants to save him. Once he's back in the States, no one can tell if it's really him, so an intelligence specialist must determine who is under the "mask".
- IMDB:tt0072405
Who? Cast · · · ALL
Jack Gold
Director
Elliott Gould
Sean Rogers
Trevor Howard
(I)
(1913–1988)
Colonel Azarin
Joseph Bova
Dr. Lucas Martino
Edward Grover
Finchley
John Lehne
Haller
James Noble
General Deptford
Lyndon Brook
Dr. Barrister
Michael Lombard
Dr. Besser
Joy Garrett
Barbara
John Stewart
Bruce Boa
Fred Vincent
Alexander Allerson
Ivan Desny
(1922–2002)
Herb Andress
Del Negro
Frank Schuller