Eddie Quillan

Ellery Queen

Charlotte Henry

Josephine Temple

Rita La Roy

Martha Kirk

Wade Boteler

Inspector Queen

Franklin Pangborn

Mellish

George Irving

Dr. Alexander Kirk

William Newell

Detective Guffy

Edwin Stanley

Howard Bronson

Richard Beach

Reporter

Monte Vandergrift

Detective

June Johnson

Girl at Cocktail Bar

Marc Cramer

Hotel Desk Clerk

Lester Dorr

Reporter at Dock

Charles McAvoy

Officer Jones

Walter Merrill

Craig the Thief

Frank O'Connor

Detective

Carleton Young

Drunk

Mary Russell

Girl on Street Corner