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 Seth Gabel The Count Guest Star Roger Cross Detective Lucas Hilton Guest Star Manu Bennett Slade Wilson Guest Star Celina Jade Shado Guest Star Emily Bett Rickards Felicity Smoak Guest Star Audrey Marie Anderson Lyla Michaels Guest Star Darren Dolynski Dr. Webb Guest Star Christie Laing Carly Diggle Guest Star Nelson Leis Slim Guest Star John Barrowman Malcolm Merlyn Guest Star Cassandra Ebner Veronica Sparks Guest Star Julius Fair Andy Jr. Guest Star Michael Rowe Deadshot Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Michael Offer Director Bryan Q. Miller Writer Lindsey Allen Writer