The first Zombie to die when Brooke Adams pulls off his goggles falls dead face down on the Patio. A few moments later when the Sandy Blond Deck Hand is grabbing cushions upstairs he looks down and sees the same Zombie but now he is on his side with his face up.
When Chuck and Rose discover Beverly's body in the fish tank, the position of the green plants in relation to her body change.
When Rose is trying to escape zombies and catch up with Norman her pants are covered in mud, in the next scene when she runs into the mansion pants are all white and clean.
When Keith and Rose prepare the dingy of the Bonaventure to escape in, you can see there are no rowlocks in place. When they get the oars and wade back in the water to board the dingy, the rowlocks are in place.
When the cook's body is retrieved from the lake, a split
second before the scene change, you actually see the actor that plays the cook start to lift his head up. This mistake is more apparent in the VHS version, though the DVD has part of it as well.
During the shot of Chuck's body lying in the pool, he is still breathing.
At one point Chuck pulls out the Luger pistol that SS commander was threatening them with, and there is no explanation how he was able to get it. Few minutes later when they are hiding in the fridge Chuck does not have this pistol anymore but instead is using a flare gun.
When Rose is sitting alone in the boat as it starts to drift away from the group, the boom and mike are briefly visible over Keith's head as he begins calling to her.