Danielle Panabaker, Jessica Parker Kennedy, and Britt Irvin have all played DC characters on the CW: Panabaker as Caitlyn Snow in "The Flash" (2014); Kennedy as a member of the Suicide Squad in "Smallville" (2001) and Nora Allen, Barry's future daughter, in Flash; and Irvin as Justice Society member Star Girl in "Smallville."
Based on the novel "Nearlyweds" by Beth Kendrick.