William Gargan

Ellery Queen

Margaret Lindsay

Nikki Porter

Charley Grapewin

Insp. Queen

Ralph Morgan

Alan Rogers

Kay Linaker

Margo Rogers

Edward Norris

Stewart Cole

James Burke

Sgt. Velie

Addison Richards

Lester Younger

Charles Judels

Corday

Andrew Tombes

Bates

Claire Du Brey

Housekeeper

Micheline Cheirel

Marie Dubois

Ben Welden

Fisherman

Milton Parsons

Butler

Charles Lane

Coroner

James P. Hogan