Mädchen Amick for Kelly's (flashback) mom

HHS photo

Mädchen Amick (aka Alice Cooper, no, not that one, but Betty's mother in Riverdale) has experience playing residents of quirky small towns. She could be a convincing 1970s mom, especially to a little girl who grows up into Beverley Breuer. Also a convincing partner in crime to Shea Whigham.