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 Emily Kinney Brie Larvan , Bug-Eyed Bandit Guest Star Charlotte Ross Donna Smoak Guest Star Neal McDonough Damien Darhk Guest Star Echo Kellum Curtis Holt Guest Star Jimmy Akingbola Baron Reiter Guest Star Adrian Glynn McMorran Michael Amar Guest Star Elysia Rotaru Taiana Guest Star Eugene Byrd Andy Diggle Guest Star Chenier Hundal Paul Guest Star Dean Monroe McKenzie Dennis Guest Star Bill Pozzobon Phil Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Michael Schultz Director Ben Sokolowski Writer Brian Ford Sullivan Writer