In the original Cynthia Doyle series from Charlton, Cynthia's love interest is Dr. Ed Benson. Here Dr. Benson's first name is never mentioned, but Cynthia does tell him that 'a little romance wouldn't hurt' him when he accuses her of being a romantic.
Although Cynthia Treat is a brunette and Cynthia Doyle was portrayed as a redhead, the hair styles are the same.
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