Main Characters
Oliver Queen
Dinah Laurel Lance
Tommy Merlyn
John Diggle
Thea Queen
Moira Queen
Detective Quentin Lance
Felicity Smoak
Slade Wilson
Roy Harper
Malcolm Merlyn
Recurring characters
Sebastian Blood/Brother Blood
Isabel Rochev
Walter Steele
Tatsu Yamashiro
Shado
Sara Lance
Yao Fei
Ray Palmer
Cindy a.k.a. "Sin"
Maseo Yamashiro
Other minor characters
Lyla Michaels
Ted Gaynor
Detective Lucas Hilton
Helena Bertinelli/Huntress
Edward Fyers
The Count/Count Vertigo
McKenna Hall
Derek Reston
Kate Spencer
China White
Joanna De La Vega
Dinah Lance
Carly Diggle
Alexei Leonov
Frank Bertinelli
Nick Salvati
Billy Wintergreen
Floyd Lawton/Deadshot
Constantine Drakon
Robert Queen
Amanda Waller
Assistant District Attorney Adam Donner
Barton Mathis/Dollmaker
Barry Allen
William Tockman/Clock King
Nyssa al Ghul
Mark Francis
Mark Scheffer/Shrapnel
Dr. Anthony Ivo
Anatoli Knyazev
Caitlin Snow
Jean Loring
Werner Zytle/Vertigo