Continuity mistake: Julia's hair changes throughout the course of the episode. It's straightened then curly then wavy and so forth.
Under the Dome (2013)
1 mistake in Heads Will Roll - chronological order
Starring: Mike Vogel, Colin Ford, Aisha Hinds, Alexander Koch
Trivia: Stephen King has a cameo as the old man asking for coffee. (00:34:35)