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 Jeffrey C. Robinson Deathstroke Guest Star Colin Salmon Walter Steele Guest Star Byron Mann Yao Fei Guest Star Sebastian Dunn Edward Fyers Guest Star Eric Breker Leo Mueller Guest Star Chelah Horsdal Kate Spencer Guest Star John Barrowman Malcolm Merlyn Guest Star Melissa Roxburgh Blake Guest Star Valerie Tian Morgan Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Michael Schultz Director Wendy Mericle Writer Ben Sokolowski Writer