Mark Hamill

Mark Richard Hamill (born September 25, 1951) is an American actor, voice actor, and writer who voiced Joker in Batman, Batman 2, Batman: The Red Hood, Justice League Vol.2 and The Joker.

Trivia

 * Mark Hamill is best known for voicing Joker in all animated movies and tv series.
 * Mark Hamill portrayed James Jesse/Trickster in the 90's tv show, The Flash. He reprised his role for CW's The Flash.