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 Caity Lotz Sara Lance Guest Star Neal McDonough Damien Darhk Guest Star Echo Kellum Curtis Holt Guest Star Ryan Robbins Conklin Guest Star Elysia Rotaru Taiana Guest Star Rutina Wesley Liza Warner Guest Star Crystal Balint Officer Thompson Guest Star Kamran Fulleylove Simon Guest Star Mathew Yanagiya Detective Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Lexi Alexander Director Beth Schwartz Writer Ben Sokolowski Writer