Jonathan Francis "Jon" Gries is an American actor, writer and director.
The son of Tom Gries, a writer, director, and producer.
His first film role came at the age of 11, when he played the Boy Horace in the Charlton Heston film Will Penny.
Some of his signature roles have come in cult classics. Gries has played a werewolf on several occasions, such as Fright Night Part II and The Monster Squad. In the historical Western film September Dawn, he played executed Mormon murderer John D. Lee, in a performance praised by critics who otherwise panned the film.
His most recent role was as Casey in the film Taken released in 2008 in Europe, and 2009 in the US.
Among his television roles are that of a terrorist in season two of the hit show 24 and as Broots on the NBC series The Pretender. Gries also plays the role of Roger Linus, the father of Ben Linus on Lost. In 2007 he played the menacing dad to Samaire Armstrong in Around June. In 2008, he appeared in the CSI: NY episode "The Box" as the father of that episode's victim. Jon recently wrapped production on A True Story. Based On Things That Never Actually Happened. ...and some that did.