Continuity: When Bill and Kylie flee her house and get into the police car, a zombie vomits acid on Bill's driver side window. In subsequent shots the window is clean.
Continuity: When Kylie leaps out of the bath, her earphones disappear.
Errors made by characters (possibly deliberate errors by the filmmakers): When the zombies grab Starla from Bill's wrecked car, Bill calls "Carla, Carla!", instead of Starla.
Revealing mistakes: Grant's tentacle splits Charlie in half without touching him.
Revealing mistakes: Several characters' accents fade in and out in the movie's second half.
Errors made by characters (possibly deliberate errors by the filmmakers): Grant has put a padlock on his cellar door without securing it to the door frame, so it is useless.