Stephen Amell Oliver Queen, Green Arrow Actor David Ramsey John Diggle, Spartan Actor Willa Holland Thea Queen Actor Emily Bett Rickards Felicity Smoak Actor Paul Blackthorne Quentin Lance Actor Echo Kellum Curtis Holt, Mr. Terrific Actor Juliana Harkavy Dinah Drake, Black Canary Actor Katie Cassidy Laurel Lance, Black Siren Actor Rick Gonzalez Rene Ramirez, Wild Dog Actor David Nykl Anatoly Knyazev Guest Star Jack Moore William Guest Star Manu Bennett Slade Wilson, Deathstroke Guest Star Colton Haynes Roy Harper Guest Star Sydelle Noel Samanda Watson Guest Star Kirk Acevedo Ricardo Diaz Guest Star Michael Emerson Cayden James Guest Star Venus Terzo Dr. Schwartz Guest Star Dominic Bogart Alex Faust Guest Star Audrey Marie Anderson Lyla Michaels Guest Star Johann Urb Vincent Sobel, Vigilante Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer, Writer Andrew Kreisberg Executive Producer David Nutter Executive Producer James Bamford Director Laura Belsey Director Joel Novoa Director Gregory Smith Director Kevin Tancharoen Director Ben Sokolowski Writer Sarah Tarkoff Writer Speed Weed Writer Rebecca Bellotto Writer Oscar Balderrama Writer Wendy Mericle Writer Emilio Ortega Aldrich Writer Spiro Skentzos Writer Gordon Verheul Director Beth Schwartz Writer