James Wesley Marsters is an American actor and musician. Marsters first came to the attention of the general public playing the popular character Spike, a platinum-blond English vampire in the television series Buffy the Vampire Slayer and its spin-off series, Angel, from 1997 to 2004. For Disney, Marsters voiced Captain Argyus in Star Wars: The Clone Wars, Michael Korvac in Ultimate Spider-Man, and Sir Mordred in the Once Upon a Time short, Tales From The Underworld: A Knight With Cruella. He will play Victor Stein in the upcoming TV series Runaways.