Special Guest Stars Katie Cassidy as Laurel Lance (Earth Two) / Black Siren Guest Stars Rick Gonzalez as Rene Ramirez Juliana Harkavy as Dinah Drake Joe Dinicol as Rory Regan Lexa Doig as Talia al Ghul David Meunier as Pakhan Gregor Garry Chalk as J.G. Walker Co Starring Mike Kovac as Man #2 Lee Page as Man #1 Chris Furci as Security Guard #1 Jag Bal as Boyfriend Daniela Carmona as Waitress Tyler James Noble as Guard Uncredited Michael Dorn voices Prometheus