Heather Elizabeth Anderson (née Langenkamp) is an American actress, producer, and prosthetic makeup coordinator. She began her career as an extra in the Francis Ford Coppola films The Outsiders (1983) and Rumble Fish (1983), before becoming known for her role as Nancy Thompson in Wes Craven's A Nightmare on Elm Street (1984) and Chuck Russell's A Nightmare on Elm Street 3: Dream Warriors (1987). She also had roles in two of Craven's cult films: a victim in Shocker (1989) and a fictionalized version of herself in Wes Craven's New Nightmare (1994). Her other film work includes Robert Kurtzman's lowbudget superhero film The Demolitionist (1995), Jonathan Zarantonello's thriller The Butterfly Room (2012), and J. J. Abrams' blockbuster sci-fi film Star Trek Into Darkness (2013). Langenkamp was featured in two Emmy Award–winning ABC sitcoms: she starred as Marie Lubbock on Just the Ten of Us (1988–1990) and appeared as Amy Boutilier in five episodes of Growing Pains (1988–1990). Her other prolific role is Nancy Kerrigan in the NBC television film Tonya and Nancy: The Inside Story (1994). In 2020, she debuted in voice acting on the Adult Swim animated comedy series, JJ Villard's Fairy Tales. In February 2021, she was confirmed to star in the Mike Flanagan written, directed, and executive produced Netflix series The Midnight Club (2021). Langenkamp was executive producer and narrator on the documentary films Never Sleep Again: The Elm Street Legacy (2010) and I Am Nancy (2011). She directed a segment in the unfinished anthology horror film Prank (2008) and the short film Washed Away (2019). Langenkamp co-owns the make-up FX firm AFX Studio which has designed and manufactured award-winning make-up effects for film and television. She was the special makeup effects coordinator for movies like Dawn of the Dead (2004), Cinderella Man (2005), Evan Almighty (2007), and The Cabin in the Woods (2012).