Fadeout

Synopsis
After eight seasons, and the launch of countless superheroes, the series wraps up the story of the Green Arrow. Emily Bett Rickards returns as Felicity.

Main cast

 * Stephen Amell as Oliver Queen/The Hood
 * David Ramsey as John Diggle/Spartan
 * Rick Gonzalez as Rene Ramirez/Wild Dog
 * Juliana Harkavy as Dinah Drake/Black Canary
 * Katherine McNamara as Mia Queen/Green Arrow
 * Ben Lewis as older William Clayton (credit only)
 * Joseph David-Jones (credit only)

Special appearance by

 * Katie Cassidy as Laurel Lance/Black Canary

Special guest stars

 * Emily Bett Rickards as Felicity Smoak
 * Susanna Thompson as Moira Queen
 * Colton Haynes as Roy Harper/Arsenal
 * Echo Kellum as Curtis Holt
 * Willa Holland as Thea Queen/Speedy
 * Paul Blackthorne as Quentin Lance
 * And Caity Lotz as Sara Lance

Guest starring

 * Audrey Marie Anderson as Lyla Michaels

Co-starring

 * Melissa Benoist as Kara Danvers
 * Grant Gustin as Barry Allen
 * Colin Donnell as Tommy Merlyn
 * Sea Shimooka as Emiko Adachi
 * David Nykl as Anatoly Knyazev
 * Katrina Law as Nyssa al Ghul
 * Lexa Doig as Talia al Ghul
 * Joe Dinicol as Rory Regan/Ragman
 * Keri Adams as Bethany Snow
 * Tiahra Allen as Young Sara
 * Johnny Cuthbert as John Byrne
 * Marcello Guedes as Young JJ
 * Jack Moore as Young William Clayton
 * Jessica Heafey as Ms. Pedowitz

Uncredited

 * Manu Bennett as Slade Wilson

Trivia

 * Stephen Amell and David Ramsey got the ending they wanted for their respective characters.
 * The final scene is a brand new scene Marc Guggenheim came up with after he just finished meditation class one morning at the time the ending had not been written. Guggenheim tweeted that he planned on posting script pages on the night of the finale if the scene is cut from the broadcast airing.
 * Stephen Amell cried when Guggenheim told him about it at the Entertainment Weekly cover shoot. But there were a lot of hurdles to get the scene over.
 * Guggenheim posted a picture to clarify viewers on where the title came from. In it, the fadeout is the area on a longbow where the grip tapers into the risers and limbs of the bow.
 * This is Emily Bett Rickards's first appearance since her departure in.
 * It is the first and only episode to have a 2-hour run, beginning with a preview of the finale.
 * According to Guggenheim, the last piece of dialogue in the finale is "... tell it to you".
 * James Bamford directed his third and last Arrow finale.
 * This episode will have a TV special airing prior to it, titled.
 * The true version of Laurel Lance will be revealed.
 * Madison McLaughlin was supposed to make an appearance, but couldn't due to scheduling conflicts.
 * Of the main cast, John Barrowman ("Malcolm Merlyn"), Josh Segarra ("Adrian Chase"), Kirk Acevedo ("Ricardo Diaz"), Ben Lewis (Older "William Clayton") and Joseph David-Jones ("Connor Hawke") do not make an appearance.

Production
Preparation began on October 22 to October 30, 2019. The shooting for this episode ran from October 31 and concluded on November 13, 2019.