Ethan Marten, the actor who portrays Dr. Hume, is the Great Nephew of M. Edward Marten. The older Marten was the Deputy Chief Medical Examiner of the City of New York during the time of the Lindbergh Kidnapping. His book, The Doctor Looks at Murder, published in 1937 by Doubleday, Doran & Co. was a precursor to the Quincy series starring Jack Klugman.