Christopher played the role of "Paul" in the movie Intellectual Property.
Christopher played a small role in the film Beethoven's 2nd. His brother Danny had a bigger role in the same film.
Christopher played the roles of "Gus" and "Augustus" in the film Arcadia
Chris smokes a lot but he doesn't worry about it.
Christopher stole a "STOP" traffic signal when he was younger.
Christopher met Jane Kaczmarek ("Lois" in Malcolm in the Middle) before working on the series, when they were acting in a show called Youth in Revolt which never aired.
Christopher is sometimes credited as Kuk Tak-Chiu.
Christopher Masterson is sometimes credited as Vincent Kok.
Christopher earned the Best Young Ensemble Cast in Television YoungStar Award for his role in Malcolm in the Middle.
Christopher's mother is called Carol Masterson.
Christopher's father is called Peter Masterson.
When he was younger, Christopher stole a fire hydrant. He still has the hydrant in his room as a trophy.
Christopher dated actress Hillary Duff.
As of 2006 he lives with the actress Laura Prepon.
Christopher is a member of the Church of Scientology.
Chris has a younger sister, Alanna, from his mother's second marriage, and a younger brother, Will Masterson, from his father's second marriage.
Christopher is 5'10" (1.78 m).
Chris has two brothers: Daniel "Danny" Masterson (best known for his role as Stephen Hyde on That '70s Show) and Jordan "Jordy" Masterson.
Chris is currently dating Laura Prepon ("Donna", That '70s Show).