Season 1 (Justice League)

The first season of NBC's Justice League premiered on September 25, 2018. It concluded on May 14, 2019.

​Plot
Bruce Wayne is coerced into becoming a hero again to stop an ongoing threat. He, Kate Kane, Tim Drake, Stephanie Brown, Dick Grayson, and Barbara Gordon are helped by the DEO lead by Hank Henshaw. The DEO also recruits Diana Prince, Kara Danvers, Mike Matthews, Barry Allen, and Dinah Lance to help. The eleven heroes join forces, creating the "Justice League" to stop six villains who have also joined together to create the Legion of Doom.

Starring

 * Ben Affleck as Bruce Wayne/Batman
 * Joseph Gordon-Levitt as Tim Drake/Red Robin
 * Emma Stone as Stephanie Brown/Spoiler
 * Yvonne Strahovski as Kate Kane/Batwoman
 * Jeremy Jordan as Winslow Schott/Toyman*
 * Tyler Hoechlin as Clark Kent/Superman
 * Sarah Hyland as Barbara Gordon/Batgirl
 * Todd Stashwick as Roman Sionis/Black Mask*
 * Alexander Gould as Dick Grayson/Nightwing
 * Wentworth Miller as Leonard Snart/Captain Cold*
 * John Barrowman as Arthur King/Merlyn*
 * Tom Ellis as Sebastian Ballesteros/Cheetah*
 * Gal Gadot as Diana Prince/Wonder Woman
 * Jesse Eisenberg as Lex Luthor*
 * Katie Cassidy as Dinah Lance/Black Canary
 * Grant Gustin as Barry Allen/the Flash
 * Melissa Benoist as Kara Danvers/Supergirl
 * Chris Wood as Mike Matthews/Mon-El
 * These cast members are only credited in the episodes they appear in.