Other mistake: For corpses which have spent around a decade lying in water, the zombies' hair and uniforms are surprisingly well-groomed.
Zombie Lake (1981)
1 other mistake - chronological order
Directed by: Jean Rollin, Julian de Laserna
Starring: Antonio Mayans, Anouchka, Howard Vernon, Pierre-Marie Escourrou
Revealing mistake: In many scenes and screenshots you can see that make-up was made sloppily: the faces of the undead Germans are rotting green, but their necks still retain a 'live' color. (00:52:20)