Danielle Panabaker, Jessica Parker Kennedy, & 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. Britt Irvin played Star Girl in Smallville, a member of the Justice Society.
Based on the novel "Nearlyweds" by Beth Kendrick.