Stephen Amell Oliver Queen Actor Katie Cassidy Laurel Lance Actor David Ramsey John Diggle Actor Willa Holland Thea Queen Actor Emily Bett Rickards Felicity Smoak Actor John Barrowman Malcolm Merlyn Actor Paul Blackthorne Captain Quentin Lance Actor Amy Gumenick Carrie Cutter , Cupid Guest Star Neal McDonough Damien Darhk Guest Star Jimmy Akingbola Baron Reiter Guest Star Adrian Holmes Lt. Frank Pike Guest Star Nicole Oliver Judge Sakow Guest Star Elysia Rotaru Taiana Guest Star Jason Schombing Fitzmartin Guest Star Paula Giroday Allison Lee Guest Star Darien Martin Robert Joyce Guest Star Preston Vanderslice Blaine Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer John Showalter Director Rebecca Bellotto Writer Nolan Dunbar Writer