Elenco
William Gargan
Ellery Queen
Margaret Lindsay
Nikki Porter
John Litel
Norman Hadley
Charley Grapewin
Insp. Queen
James Burke
Sgt. Velie
Frank M. Thomas
Capt. H.T. Daley
Lilian Bond
Adele Belden
Morgan Conway
Ray Stafford
Jack La Rue
Tommy Gould
Charlotte Wynters
Irene Hadley
Noel Madison
George Belden
Johnny Arthur
Riley
Byron Foulger
Freddy Froelich
Marie Blake
Desk Clerk at Florence Garden Apartments
Syd Saylor
Fingers Muldoon
Willie Fung
Waiter at Golden Dragon
Arthur Q. Bryan
Raymond Radcliffe
