"THE MYSTERY OF THE ALPHABET MURDER CASE!"
Charlie attempts to solve a triple murder in which a dead man's finger prints show up at all three murder sites, and all three victims were connected with the conviction and execution of an evidently innocent man.
Charlie Chan
Tommy Chan
Birmingham Brown
Lt. Mike Ruark
Victor Armstrong
Phyllis Powers
Edward Seward
Bates
Frank Bronson, district attorney
Willie Best
Mr. Grail
Joseph Pindello
Judge Wesley Armstrong
Detective Pat
Walter Somervale
Officer Murphy
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