Richard Epcar is a voice actor in Injustice: Gods Among Us and Injustice 2, providing the voice for The Joker. Epcar is perhaps one of the most well-known and recognized voice actors in the industry, having been featured in hundreds of roles in anime, cartoons, video games, and live-action productions. Epcar has voiced Joker once before, in Midway Games' Mortal Kombat vs. DC Universe.
|Current cast members||Ike Amadi - Laura Bailey - Ogie Banks - Steve Blum - Cameron Bowen - Jeffrey Combs - Kevin Conroy - Sara Cravens - Antony Del Rio - Grey DeLisle - Megalyn Echikunwoke - Susan Eisenberg - Robert Englund - Richard Epcar - Charles Halford - C. Thomas Howell - Taliesin Jaffe - Matthew Yang King - Phil LaMarr - David Loefell - Erica Luttrell - Vanessa Marshall - Matthew Mercer - Joey Naber - George Newbern - Liam O'Brien - Khary Payton - Jim Pirri - Scott Porter - Patrick Seitz - David Sobolov - Tara Strong - Fred Tatasciore - Alan Tudyk - Tasia Valenza - Kari Wahlgren - Travis Willingham - Michael Leon Wooley|
|Former cast members||Stephen Amell - Troy Baker - Adam Baldwin - Kimberly Brooks - Amy Carle - Lacey Chabert - Debra Doetzer - Jennifer Hale - J.G. Hertzler - Carl Lumbly - Neal McDonough - Nolan North - Mark Rolston|