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 Colton Haynes Roy Harper Actor John Barrowman Malcolm Merlyn Actor Paul Blackthorne Captain Quentin Lance Actor Brandon Routh Ray Palmer Guest Star J.R. Ramirez Ted Grant Guest Star Matt Nable Ra's al Ghul Guest Star Caity Lotz Sara Lance , The Canary Guest Star Katrina Law Nyssa al Ghul Guest Star Audrey Marie Anderson Lyla Michaels Guest Star Cynthia Addai-Robinson Amanda Waller Guest Star Karl Yune Maseo Yamashiro Guest Star Rila Fukushima Tatsu Yamashiro Guest Star Marc Singer General Matthew Shrieve Guest Star Keri Adams Bethany Snow Guest Star Brandon Nomura Akio Yamashiro Guest Star Greg Berlanti Executive Producer, Writer Marc Guggenheim Executive Producer, Writer Andrew Kreisberg Executive Producer, Writer David Nutter Executive Producer Jesse Warn Director Wendey Stanzler Director Michael Schultz Director Thor Freudenthal Director Glen Winter Director Dermott Downs Director Wendy Mericle Writer Erik Oleson Writer Ben Sokolowski Writer Brian Ford Sullivan Writer Beth Schwartz Writer Keto Shimizu Writer Jake Coburn Writer