- Her husband and widower, Dr. Jabe Z. Walker was an oral surgeon who set up his practice in Burbank, CA after they got married. They made their home in Studio City, CA. He lived on for almost twenty two more years after her death passing away in early 2013.
- Dr. Walker and Diane had two children: Dean (b. 1960); and Lynn (b. 1961).
- She played "Helen Kimble", the murdered wife of Dr. Richard Kimble (David Janssen) in the TV series, The Fugitive (1963). She appeared in two episodes: The Girl from Little Egypt (1963) and The Judgment: Part II (1967).
- Fans of the TV series Maverick (1957) will remember her 4 memorable guest appearances as the mischievous con woman, Samantha Crawford.
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