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 episodes.

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 Oliver Queen/The Hood/Green Arrow
 * David Ramsey as John Diggle/Spartan
 * Willa Holland as Thea Queen/Speedy
 * Emily Bett Rickards as Felicity Smoak/Overwatch
 * Echo Kellum as Curtis Holt/Mr. Terrific
 * Josh Segarra as Adrian Chase/Prometheus
 * Michael Dorn as Prometheus (voice; uncredited)
 * Paul Blackthorne as Quentin Lance

Recurring cast

 * Adrian Holmes as Frank Pike
 * Audrey Marie Anderson as Lyla Michaels
 * Katrina Law as Nyssa al Ghul
 * Rick Gonzalez as Rene Ramirez/Wild Dog
 * Chad L. Coleman as Tobias Church
 * Madison McLaughlin as Evelyn Sharp/Artemis
 * Joe Dinicol as Rory Regan/Ragman
 * Tyler Ritter as Billy Malone
 * Carly Pope as Susan Williams
 * David Nykl as Anatoly Knyazev
 * Mike Dopud as Viktor
 * Dolph Lundgren as Konstantin Kovar
 * David Meunier as Ishmael Gregor
 * Lexa Doig as Talia al Ghul
 * Juliana Harkavy as Dinah Drake/Black Canary
 * Gary Chalk as J.G. Walker
 * Kacey Rohl as Alena Whitlock/kojo Sledgehammer
 * Manu Bennett as Slade Wilson/Deathstroke
 * Grant Gustin as The Flash

Universe regulars

 * John Barrowman as Malcolm Merlyn/Dark Archer
 * Katie Cassidy as Laurel Lance and Laurel Lance/Black Siren

Trivia

 * This is the final season of ​​​​ to feature flashbacks regarding the 5 years Oliver was away from Starling City (later known as Star City).
 * This is the first season to not feature Roy Harper.
 * This is the only season not to credit Katie Cassidy as a series regular.
 * This season has similarities with The Flash Season 2, Both Oliver & Barry have fought those who've tried to force them to release the darkest parts of themselves.