It premiered on August 18, 2017.
Marvel's The Defenders follows Daredevil, Jessica Jones, Luke Cage and Iron Fist. A quartet of singular heroes with one common goal - to save New York City. This is the story of four solitary figures, burdened with their own personal challenges, who realize they just might be stronger when teamed together.
- Charlie Cox as Matt Murdock/Daredevil
- Krysten Ritter as Jessica Jones
- Mike Colter as Luke Cage
- Finn Jones as Danny Rand/Iron Fist
- Eka Darville as Malcolm Ducasse
- Elden Henson as Foggy Nelson
- Jessica Henwick as Colleen Wing
- Simone Missick as Misty Knight
- Ramón Rodríguez as Bakuto †
- Rachael Taylor as Trish Walker
- Deborah Ann Woll as Karen Page
- Élodie Yung as Elektra
- Rosario Dawson as Claire Temple
- Scott Glenn as Stick †
- Sigourney Weaver as Alexandra Reid †
- Wai Ching Ho as Madame Gao
- Babs Olusanmokun as Sowande †
- Yutaka Takeuchi as Murakami
- Ron Simons as Captain Strieber
Behind the Scenes
- The series is a crossover of the Daredevil, Jessica Jones, Luke Cage and Iron Fist.
- Charlie Cox confirmed that the show would start filming in late 2016.
- On April 15, 2016, the two showrunners of Season Two of Daredevil - Douglas Petrie and Marco Ramirez - are announced as showrunners for The Defenders.
- The series working title is "Group Therapy". 
- Production for the first season wrapped on March 19, 2017.