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 Neal McDonough Damien Darhk Guest Star Parker Young Alex Davis Guest Star Brandon Routh Ray Palmer , The Atom Guest Star Audrey Marie Anderson Lyla Michaels Guest Star Eugene Byrd Andy Diggle Guest Star Jimmy Akingbola Baron Reiter Guest Star Ryan Robbins Conklin Guest Star Elysia Rotaru Taiana Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer James Bamford Director Speed Weed Writer Keto Shimizu Writer