Template:Cast Mark Richard Hamill (born September 25, 1951) is an American actor, writer, producer, and director, best known for his portrayal of Luke Skywalker in the Star Wars film series as well as voicing The Joker in Batman: The Animated Series and Skips on the Cartoon Network series Regular Show. He plays the voice of the Bats Biker on Gravity Falls, and later guest stars as the voice of the Shape Shifter.
Hamill was born in Oakland, California, and raised in Virginia. He is a son of Virginia Suzanne (née Jonson) (1927-1998) and William Thomas Hamill (b. 1927), who was a Captain in the U.S. Navy.He is one of seven children, including two brothers, Will and Patrick, and four sisters, Terry, Jan, Jeanie, and Kim. His mother was of half Swedish descent. When Hamill was a child, his father's career forced the family to move on numerous occasions, and he subsequently attended different schools. In his elementary years, he went to Walsingham Academy and Poe Middle School. At age 11, he moved to the 5900 block of Castleton Drive in San Diego, California, where he attended Hale Junior High School. During his first year at James Madison High School, his family moved to Virginia where he attended Annandale High School. By his junior year, his father was stationed in Japan, where Hamill attended and graduated from Nile C. Kinnick High School in Yokosuka and was a member of the Drama Club. He later enrolled at Los Angeles City College and majored in drama.