Antonio Riccardi, a rare stamp dealer who is secretly a hired killer, pays for the violin lessons of his gifted brother Giuseppe. To meet the expenses of Giuseppe's concert debut he accepts a further job, but his decision to do so provides Detective Inspector Carson, who has long hoped to ensnare Tony, with an opportunity that might now enable him to bring about his downfall.
as Antonio Riccardi
as Detective Inspector Carson
as Maria Riccardi
as Giuseppe Riccardi
as Helen Garrett
as Detective Sgt. Stott
as Charlie
as Josef Meyerling
as Catesby
as Bert
as Fred
