A recurring fact about Mark Hamill is that he has been attached to countless voice acting roles over the years. We’ll be covering a lot of them, but let’s start with Scooby-Doo.

Hamill started voicing minor characters in The New Scooby-Doo Movies starting in 1972, well before he was in Star Wars. After that, he popped up in various Scooby-Doo movies in the late 90s and the early 2000s, including Scooby-Doo Zombie Island and Scooby-Doo and the Alien Invaders. On top of that, he’s playing an unknown role in the upcoming Scooby-Doo Guess Who?.