Ralph Bellamy
Ellery Queen
Acting
Margaret Lindsay
Nikki Porter
Acting
Charley Grapewin
Insp. Queen
Acting
Anna May Wong
Lois Ling
Acting
James Burke
Sgt. Velie
Acting
Eduardo Ciannelli
Count Brett (as Edward Ciannelli)
Acting
Frank Albertson
Sanders
Acting
Ann Doran
Sheila Cobb
Acting
Noel Madison
Gordon Cobb
Acting
Charles Lane
Doc Prouty
Acting
Russell Hicks
Harry Walsh
Acting
Tom Dugan
McGrath
Acting
Mantan Moreland
Roy
Acting
Theodore von Eltz
Jim Ritter
Acting