The Flash casts Vampire Diaries alum as Caitlin Snow's mom — exclusive 

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alum Susan Walters has been cast as Caitlin Snow’s mother on

Aside from being the mom of Danielle Panabaker’s character, Dr. Carla Tannhauser is a world class biomedical engineer and CEO of a major research company. But while Caitlin may have inherited her mother’s formidable scientific mind, the two have long had a difficult relationship, with Caitlin finding her mother cold and withholding, and Carla regarding her daughter as rebellious and ungrateful.

The character was first mentioned when Caitlin Snow came face-to-face with her Earth-2 doppelgänger Killer Frost, both of whom felt icy toward their mothers. Walters, whose credits also include

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