has signed on to play 's mother in Lifetime's miniseries about the movie legend. Based on J. Randy Taraborrelli's book "The Secret Life of Marilyn Monroe", the four-hour miniseries titled "" will partly focus on the bombshell's complicated relationship with her mentally ill mother, Gladys Mortenson.
In the series, Gladys is diagnosed with paranoid schizophrenic, who is the product of a mother who committed suicide as a result of her own mental illness, and a father who died of syphilitic insanity. Frequently delusional, sometimes violent, Gladys sexually adventurous in her youth but taught her ...
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