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 Doug Jones Jake Simmons , Deathbolt Guest Star Brandon Routh Ray Palmer , The Atom Guest Star Carlos Valdes Cisco Ramon Guest Star Matt Nable Ra's al Ghul Guest Star Cynthia Addai-Robinson Amanda Waller Guest Star Karl Yune Maseo Yamashiro Guest Star Rila Fukushima Tatsu Yamashiro Guest Star Adrian Holmes Lt. Frank Pike Guest Star Keri Adams Bethany Snow Guest Star Brandon Nomura Akio Yamashiro Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Douglas Aarniokoski Director Ben Sokolowski Writer Brian Ford Sullivan Writer Jake Coburn Writer