Griffin Hamill, Chelsea Hamill, Mark Hamill, Marilou York, and Nathan Hamill (Photo by Steve Granitz/Getty Images) The couple has three children, two boys and one girl. One of the keys to a marriage surviving in Hollywood, according to Marilou Hamill, is to … stay out of Hollywood. Discover more Celebrity Heights and Vote on how tall you think any Celebrity is! Now that the 92nd Academy Awards have honored the supervillain by having Joaquin Phoenix be nominated for Best Leading Actor while playing this role, Mark Hamill certainly deserves his due credit as well. Mark Richard Hamill (/ ˈ h æ m ɪ l /; born September 25, 1951) is an American actor, voice actor, and writer.Hamill is known for playing Luke Skywalker in the Star Wars films, which won him the Saturn Award for Best Actor three times. For this reason, we’ve highlighted more quotes that complete the … Mark Hamill height is 5ft 7 or 170.2 cm tall. The second son Griffin was born in 1983 and has been very successful in his career as an artist and martial arts.