- Country: UK
- Genres: Crime, Drama, Sci-Fi
- Release: 1954-07-28
- Director: Dennis O’Keefe , Montgomery Tully
- Writers: John C. Higgins , Dennis O’Keefe , Maurice Procter
- Language: Polish | English
- Stars: Dennis O’Keefe , Margaret Sheridan , Philip Friend , Alan Wheatley , Francis De Wolff , Eric Berry , Michael Balfour , Gudrun Ure , Paul Hardtmuth , Cyril Chamberlain
- Runtime: 83 min
- Awards: N/A
- AKA: The Diamond (United Kingdom) , The Diamond Wizard (United States of America) , Agente federal X-678 (Spain) , Diamanten , De tovenaar van de diamant (Belgium) , 5-D kalder Scotland Yard (Denmark) , The Diamond , Diamantmysteriet (Sweden) , Diamanten (Austria) , Enquête spéciale (Canada) , To mystirio tou kleistou pyrgou (Greece) , La gang dei falsari (Italy) , The Diamond (Canada) , Sinisen kiven salaisuus (Finland) , Enquête spéciale (France, French Republic)
- Plot: U.S. Treasury Investigator Joe Dennison is sent to England on the trail of a gang of thieves responsible for stealing a million dollars from a U.S. Treasury vault. One of the crooks is on his way to England to spend the money on phony diamonds. Scotland Yard Inspector McClaren, assigned to work with Dennison on the case, is also working on the disappearance of Dr. Eric Miller, an atomic scientist. Dennison discovers while interviewing Miller's daughter Marlene that she is wearing a brooch containing a phony diamond, and the brooch had been made by her father.
- IMDB:tt0046913
The Diamond Wizard Cast · · · ALL
Dennis O’Keefe
Director
Montgomery Tully
Director
Dennis O’Keefe
Joe Dennison
Margaret Sheridan
Marline Miller
Philip Friend
Insp. McClaren
Alan Wheatley
Thompson Blake
Francis De Wolff
Yeo
Eric Berry
Hunziger
Gudrun Ure
Sgt. Smith
Seymour Green
Lascelles
Paul Hardtmuth
Dr. Eric Miller
Colin Tapley
Sir Stafford Beach
Michael Balfour
Hoxie
Cyril Chamberlain
Castle