|Full Name||Mark Fostenburg|
|Home||Vinewood Hills, Los Santos|
|Voiced by||Tim Barker|
Mark Fostenburg is a Los Santos based action film star and director, appearing as the lead character in the film Die Already 4 and as lone police officer type characters. In 2007 a fifteen year old Mexican girl was found dead in his pizza oven with Fostenburg claiming he was not in Los Santos when her body was found. He settled out of court with the girls family who moved into a house in the next street from Fostenburg. By 2013 he had purchased a special golf club with a seal-skin handle, which Trevor Philips steals at the Los Santos Golf Club.
- GTA V
- Trevor Philips can kill Mark during the mission Vinewood Souvenirs - Mark and is required to do so to obtain gold medal completion, but a news report after the mission and the fact that Fostenburg bleets confirms he is still alive.
- Mark Fostenburg has a star on the Vinewood Walk of Fame.