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 Katrina Law Nyssa al Ghul Guest Star Neal McDonough Damien Darhk Guest Star Jimmy Akingbola Baron Reiter Guest Star Tom Amandes Noah Kuttler Guest Star Elysia Rotaru Taiana Guest Star Charlotte Ross Donna Smoak Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Gordon Verheul Director Ben Sokolowski Writer Keto Shimizu Writer