États-Unis,
1938, 69 min
Réalisation:
William NighScénario:
Houston BranchPhotographie:
Harry NeumannMusique:
Edward J. KayActeurs·trices:
Boris Karloff, Grant Withers, Maxine Jennings, Evelyn Brent, Lester Dorr, Wilbur Mack, Lynton Brent, Ed Cassidy, Clancy Cooper, John Hamilton (plus)Résumés(1)
Mr. Wong (Boris Karloff) investigates the deaths of 3 partners in the poison gas export trade - each death occurring while the person was alone in his quarters. (texte officiel du distributeur)