Elseworlds

Elseworlds is the name of the fifth annual shared multiverse crossover event between ,, and. The crossover will air over three nights from December 9th to December 11th, 2018.

Cast

 * Stephen Amell as Oliver Queen/Green Arrow/The Flash
 * Grant Gustin as Barry Allen/The Flash/Green Arrow
 * Melissa Benoist as Kara Danvers/Supergirl
 * Ruby Rose as Kate Kane/Batwoman
 * Tyler Hoechlin as Clark Kent/Superman
 * Elizabeth Tulloch as Lois Lane
 * Cassandra Jean as Nora Fries
 * Jeremy Davies as Dr. John Deegan
 * Juliana Harkavy as Dinah Drake/Black Canary
 * LaMonica Garrett as Mar Novu/The Monitor
 * Emily Bett Rickards as Felicity Smoak
 * David Ramsey as John Diggle/Spartan
 * Carlos Valdes as Cisco Ramon/Vibe
 * Danielle Panabaker as Caitlin Snow
 * John Wesley Shipp as 90's Flash
 * David Harewood as J'onn J'onzz/Martian Manhunter
 * Jesse Rath as Querl Dox/Brainiac 5
 * Echo Kellum as Curtis Holt/Mr. Terrific
 * Bob Frazer as Roger Hayden/Psycho-Pirate

Trivia

 * This crossover will introduce Batwoman, Lois Lane, and Gotham City.
 * This is the first crossover to feature Clark Kent/Superman.
 * This is the first crossover since Heroes Join Forces to not include.
 * However, it is possible that some characters from the show will appear in the other crossover episodes.
 * The title of the crossover, Elseworlds, is a reference to a publication imprint produced by DC Comics for stories that took place outside of the DC Universe canon.
 * Elseworlds will focus on five core characters. Those characters will be Oliver Queen/Green Arrow, Barry Allen/The Flash, Kara Danvers/Supergirl, Clark Kent/Superman and Kate Kane/Batwoman.
 * There will be two Supermen and one of them will be wearing a black suit.
 * Kate Kane/Batwoman, Lois Lane, Nora Fries, Dr. John Deegan, Mar Novu/The Monitor, and Roger Hayden/Psycho-Pirate will all make their Arrowverse debuts in this crossover.