William "Bill" Paxton (born May 17, 1955) is an American actor and director. He has appeared in a number of films, including The Terminator (1984), Weird Science (1985), Aliens (1986), True Lies (1994), Apollo 13 (1995), Twister (1996), and Titanic (1997). He also starred in the HBO series Big Love (2006–2011) and was nominated for an Emmy Award for the miniseries Hatfields & McCoys.