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 Christopher Redman Joseph Falk , The Savior Guest Star Colton Haynes Roy Harper Guest Star Alex Kingston Dinah Lance Guest Star John Barrowman Malcolm Merlyn Guest Star Manu Bennett Slade Wilson Guest Star Byron Mann Yao Fei Guest Star Celina Jade Shado Guest Star Sebastian Dunn Edward Fyers Guest Star Chin Han Frank Chen Guest Star Duncan Ollerenshaw John Nickel Guest Star Emily Bett Rickards Felicity Smoak Guest Star Peter Benson D.B. Gavin Carnahan Guest Star Greg Berlanti Executive Producer Marc Guggenheim Executive Producer Andrew Kreisberg Executive Producer David Nutter Executive Producer Nick Copus Director Drew Z. Greenberg Writer Wendy Mericle Writer