Season 5 (Arrow)

The fifth season of premiered on October 5, 2016, on The CW and concluded on May 24, 2017. The season consisted of 23 total episodes during its run.

Synopsis
After a violent shipwreck, billionaire playboy Oliver Queen was missing and presumed dead for five years before being discovered alive on a remote island in the North China Sea. He returned home to Star City, bent on righting the wrongs done by his family and fighting injustice. As the Green Arrow, he protects his city with the help of former soldier John Diggle, computer-science expert Felicity Smoak, his vigilante-trained sister Thea Queen, former police captain Quentin Lance, and brilliant inventor Curtis Holt. But sinister players with a connection to Oliver's past will push the team to its breaking point, threatening everything Oliver's worked for and his legacy as the Green Arrow.

Main Cast

 * Stephen Amell as Green Arrow (Oliver Queen)
 * David Ramsey as Spartan (John Diggle)
 * Willa Holland as Speedy (Thea Queen)
 * Emily Bett Rickards as Overwatch (Felicity Smoak)
 * Echo Kellum as Mister Terrific (Curtis Holt)
 * Josh Segarra as Prometheus (Adrian Chase) *
 * Paul Blackthorne as Quentin Lance

Recurring Cast

 * Katie Cassidy as Laurel Lance / Black Siren (Laurel Lance)
 * Rick Gonzalez as Wild Dog (Rene Ramirez)
 * Chad L. Coleman as Tobias Church
 * Tyler Ritter as Billy Malone
 * Mike Dopud as Viktor
 * Adrian Holmes as Frank Pike
 * David Nykl as Anatoly Knyazev
 * Joe Dinicol as Ragman (Rory Regan)
 * Madison McLaughlin as Artemis (Evelyn Sharp)
 * Garry Chalk as General Walker
 * Audrey Marie Anderson as Lyla Michaels
 * Carly Pope as Susan Williams
 * David Meunier as Ishmael Gregor
 * Dolph Lundgren as Konstantin Kovar
 * John Barrowman as Dark Archer (Malcolm Merlyn)
 * Juliana Harkavy as Black Canary (Dinah Drake)
 * Lexa Doig as Talia al Ghul
 * Kacey Rohl as Alena Whitlock

In-Universe Guest Stars

 * Grant Gustin as The Flash (Barry Allen)
 * Caity Lotz as Sara Lance
 * Brandon Routh as Ray Palmer
 * Carlos Valdes as Cisco Ramon
 * Nick Zano as Nate Heywood
 * Melissa Benoist as Supergirl (Kara Zor-El)
 * Patrick Sabongui as David Singh
 * Amy Pemberton as Gideon

Notes:
 * 1) Josh Segarra is credited as a series regular from 5x03  onwards.