Stephen Amell Oliver Queen Actor Colin Donnell Tommy Actor Katie Cassidy Laurel Lance Actor David Ramsey John Diggle Actor Willa Holland Thea Queen Actor Susanna Thompson Moira Queen Actor Paul Blackthorne Detective Quentin Lance Actor Colin Salmon Walter Steele Guest Star Colton Haynes Roy Harper Guest Star Kelly Hu China White Guest Star Jeffrey C. Robinson Deathstroke Guest Star Manu Bennett Slade Wilson Guest Star Emily Bett Rickards Felicity Smoak Guest Star Sebastian Dunn Edward Fyers Guest Star Byron Mann Yao Fei Guest Star Annie Ilonzeh Joanna De La Vega Guest Star Celina Jade Shado Guest Star Roger Cross Detective Lucas Hilton Guest Star Christie Laing Carly Diggle Guest Star John Barrowman Malcolm Merlyn Guest Star Greg Berlanti Executive Producer, Writer Marc Guggenheim Executive Producer, Writer Andrew Kreisberg Executive Producer, Writer David Nutter Executive Producer Nick Copus Director Michael Schultz Director John Behring Director Eagle Egilsson Director Guy Bee Director Kenneth Fink Director Beth Schwartz Writer Wendy Mericle Writer Drew Z. Greenberg Writer Moira Kirland Writer Ben Sokolowski Writer Lana Cho Writer David Barrett Director