Gary Sinise is perhaps best known as an actor in Forrest Gump and CSI NY. His acting skills are certainly impressive. Gary Sinise Official Website Gary Sinise Official Website Most often recognized as Lt. Dan Taylor from the Oscar-winning film Forrest Gump, Gary Sinise’ career has spanned more than four decades. But it’s what he does off-screen that we love the most. Most often recognized as Lt. Dan Taylor from the Oscar-winning film Forrest Gump, Gary Sinise’ career has spanned more than four decades.