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Other mistake: The coroner examining the bodies in the tennis hall, he says that "lover-boy" is being "fished out of a swimming pool full of blood". But as he himself says later on, Pete was killed when his neck was snapped, there were no wounds he could bleed from. In addition, the zombie dropped him in a hot tub, not a swimming pool.

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Revealing mistake: When Tony stops the robbery at the grocery store, he punches the guy holding the gun. You can see that his fist does not connect on this punch, but the robber reacts as though he had been hit.

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Revealing mistake: When Pete is lying dead in the hot tub, he is also visibly moving his arms and legs, treading water.

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