Revealing mistake: At the end of the movie, when Ben stakes vampire Susan in the heart, she throws her head back in pain and you can see her real teeth behind the fake vampire teeth.
Salem's Lot (1979)
1 revealing mistake
Directed by: Tobe Hooper
Starring: James Mason, Bonnie Bedelia, David Soul, Lance Kerwin
Visible crew/equipment: Young vampire Danny floats away from the window after being confronted with a crucifix. The effect is quickly ruined when the boom he is sitting on can be seen moving him for 8 seconds. (01:43:40)
Straker: Oh, you're the writer. On vacation or vocation?
Trivia: During filming, actor James Mason jokingly referred to Lance Kerwin and David Soul as "Lanski and Hutch".