

01/04/1954
While in London trying to nab several fugitives who stole a million dollars from a U.S. Treasury vault, American federal agent Dennison (Dennis O'Keefe) assists Scotland Yard Insp. McClaren (Philip Friend) in his search for a missing atomic scientist (Paul Hardtmuth). The detective duo discovers that the key to solving both cases may rest with the scientist's daughter (Margaret Sheridan) and her fascinating diamond.

Dennis O'Keefe
as Joe Dennison

Margaret Sheridan
as Marline Miller

Philip Friend
as Insp. McClaren

Alan Wheatley
as Thompson Blake

Francis de Wolff
as Yeo

Eric Berry
as Hunziger

Gudrun Ure
as Sgt. Smith

Seymour Green
as Lascelles

Paul Hardtmuth
as Dr. Eric Miller

Colin Tapley
as Sir Stafford Beach

Michael Balfour
as Hoxie

Cyril Chamberlain
as Castle
20 Movies Similar