Special Guest Stars Katie Cassidy as Laurel Lance (Earth Two) / Black Siren Guest Stars Rick Gonzalez as Rene Ramirez Joe Dinicol as Rory Regan Madison McLaughlin as Evelyn Sharp Carly Pope as Susan Williams Tyler Ritter as Billy Malone Garwin Sanford as Justin Claybourne Co Starring Keri Adams as Bethany Snow Chenier Hundal as Paul Holt Keon Boateng as John Jr. Anup Sehdev as Investor Uncredited Michael Dorn voices Prometheus
