Jonathan Scott Frakes (born August 19, 1952) is an American actor and director. He is best known for his portrayal of Commander (later Captain) William T. Riker in the television series Star Trek: The Next Generation and subsequent films and series. He has also hosted the series Beyond Belief: Fact or Fiction, voiced David Xanatos in the Disney animated series Gargoyles, and narrated the History Channel documentary, Lee and Grant.