The Return

Protagonists

 * Oliver Queen
 * Laurel Lance
 * Thea Queen
 * Malcolm Merlyn
 * Quentin Lance
 * Tommy Merlyn
 * Maseo Yamashiro

Antagonists

 * Mockingbird (Amanda Waller)
 * China White (Chien Na Wei)
 * Captain Boomerang (Digger Harkness)
 * Jordan Kern
 * Matthew Shrieve
 * Peter Kang
 * Ra's al Ghul
 * Slade Wilson

Other Characters

 * Andy Diggle
 * Felicity Smoak
 * Frank
 * John Diggle
 * Lucas Hilton
 * Moira Queen
 * Robert Queen
 * Sara Lance
 * Shado
 * Taiana Venediktov
 * Yao Fei Gulong

Teams and Organizations

 * A.R.G.U.S.
 * League of Assassins
 * SCPD
 * Starling City Rockets
 * United States Military
 * Weathersby Posner

Species

 * Humans

Objects and Concepts

 * Alpha-Omega
 * Alpha
 * Omega
 * Oliver Queen's Bow and Arrow
 * The List

Locations

 * Earth-1
 * Earth
 * China
 * Corto Maltese
 * Hong Kong
 * Lian Yu
 * A.R.G.U.S. Maximum Security Prison
 * Nanda Parbat
 * United States of America
 * San Francisco
 * Washington
 * Starling City
 * Thea Queen's Loft
 * Queen Mansion