Season 1

Season 1 is the first season of The CW's Justice League. The series is a crossover mini-series between The Flash, Supergirl, Arrow, and DC's Legends of Tomorrow. The season aired for twelve episodes.

Synopsis
Barry Allen/The Flash, Kara Danvers/Supergirl, Oliver Queen/Green Arrow, and the Legends investigate their own cases until their paths are intertwined, forcing them to work together to stop the ultimate evil.

Main Cast

 * Stephen Amell as Oliver Queen/Green Arrow
 * Grant Gustin as Barry Allen/The Flash
 * Melissa Benoist as Kara Danvers/Supergirl
 * Caity Lotz as Sara Lance/White Canary
 * Brandon Routh as Ray Palmer/The Atom
 * Tala Ashe as Zari Adrianna Tomaz/Isis
 * Franz Drameh as Jefferson Jackson/Firestorm
 * Victor Garber as Martin Stein/Firestorm
 * Jeremy Jordan as Winn Schott
 * Echo Kellum as Curtis Holt/Mr. Terriffic
 * Chyler Leigh as Alex Danvers
 * Danielle Panabaker as Caitlin Snow/Killer Frost
 * Candice Patton as Iris West
 * Dominic Purcell as Mick Rory/Heat Wave
 * David Ramsey as John Diggle/Spartan
 * Maisie Richardson-Sellers as Amaya Jiwe/Vixen
 * Emily Bett Rickards as Felicity Smoak
 * Carlos Valdes as Cisco Ramon/Vibe
 * Nick Zano as Nate Heywood/Steel