"The Big Bang Theory" brought on a ton of incredible guest stars throughout its 12-season run — including a ton of actors from the "Star Trek" franchise ... courtesy of Mark Hamill, the man ...

A prop medal given to Luke Skywalker (Mark Hamill) in the original "Star Wars" film sold for $378,000 on Wednesday, the first ...

Mark Hamill is the latest star to test out Instagram's popular new character filters Mark Hamill really wanted to get Luke Skywalker in an online character sorter. The actor, 68, tested out ...

Yokosuka, Japan, June 16, 1978: Mark Hamill, better known to many as young Jedi Luke Skywalker of Star Wars fame, seems to be telling students, staff and reporters at the Teen Club at Nile C.

Star Trek legend William Shatner believes aliens exist - but they haven't made it to Earth yet ...

Mark Hamill congratulated late Star Wars actress Carrie Fisher, who's set to posthumously be awarded a star on the Hollywood Walk of Fame Ale Russian is a contributing writer at PEOPLE.

Mark Hamill, Lindsay Lohan and other stars were honored at CinemaCon's Big Screen Achievement Awards Thursday for their ...