Mark Hamill's First Live-Action Joker Was Featured in Birds of Prey

Mark Hamill is known for voicing The Joker in Batman cartoons and video games, but he also "played" him in a forgotten DC live-action show.

Who Plays Joker? Every Actor Who's Portrayed the Batman Villain

The Dark Knight Rises' Turns 11: Heath Ledger and Every Actor Who Has Played the Joker

Mark Hamill As Live-Action Joker Art Brings This Pitch-Perfect DC Casting To Life

The Joker Actors, Ranked From Best to Worst

Joker (Character) - Comic Vine

10 Crazy Facts About The Joker

Every Actor Who Has Portrayed the Joker Onscreen

The Joker in Other Media, Batman Wiki

First look at Batman: The Killing Joke, Kevin Conroy and Mark Hamill confirmed

Mark Hamill says he's finished playing Joker following Kevin Conroy's passing