Billy Slaughter (born William H. Slaughter, 3 June 1980, New Orleans, Louisiana) is an American film and television actor, active since 2002. He attended Jesuit High School in New Orleans and graduated in Drama and Communications from the University of New Orleans. He was trained at the British American Drama Academy (BADA) and was selected to stand-in for Dustin Hoffman on the John Grisham film Runaway Jury; Hoffman then invited Slaughter to move to Los Angeles, where he worked as Hoffman's permanent stand-in from 2002 to 2005 before transitioning to on-screen roles. His filmography spans over 60 productions across action, comedy, drama, and horror. Notable film credits include The Campaign (2012, as Dermot), The East (2013, as Trevor "The Fed"), Get On Up (2014), The Big Short (2015, as a Real Estate Agent), Daddy's Home (2015), The Magnificent Seven (2016, as Josiah), Geostorm (2017, as Karl Dright), Richard Jewell (2019, as Tim Barker), Bill & Ted Face the Music (2020, as Young Bill), The Card Counter (2021), Where the Crawdads Sing (2022), Nickel Boys (2024, as Dr. Cooke), and Five Nights at Freddy's 2 (2025, as Tony). On television he has appeared in Treme (2011), Zoo (2015), Kidnapping Mr. Heineken (2015), Mindhunter (2017), Mayfair Witches (2023, as Dr. Vernon Lamb), Twisted Metal (2023, as Kerwin), and The Winchesters (2022).