Stephen Amell Oliver Queen, Green Arrow Actor David Ramsey John Diggle, Spartan Actor Willa Holland Thea Queen Actor Emily Bett Rickards Felicity Smoak Actor John Barrowman Malcolm Merlyn Actor Paul Blackthorne Quentin Lance Actor Echo Kellum Curtis Holt, Mr. Terrific Actor Josh Segarra Adrian Chase, Prometheus Actor David Nykl Anatoly Knyazev Guest Star Carly Pope Susan Williams Guest Star Rick Gonzalez Rene Ramirez Guest Star Joe Dinicol Rory Regan, Ragman Guest Star Lexa Doig Talia al Ghul Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Ben Hernandez Bray Director Oscar Balderrama Writer Emilio Ortega Aldrich Writer