who plays caitlin snow on the flash
The Flash Interview: Danielle Panabaker On Why Killer Frost is Fascinated By Barry's Body. Danielle Panabaker, who plays Caitlin Snow in The Flash, has a new interview up on The CW's social media channel, explaining just why she's so interested in The Flash's body. The scientist in Caitlin is excited to know everything that's going on in Barry's body, Panabaker said. Sheâs smart. Sheâs beautiful.