In the opening scene, there is a close-up shot of the creature tearing Donna's dress, exposing her breast. In the following shot of the creature carrying her away, her dress is intact.
When Gamble takes Andriotti to the computer in another room Andriotti reappears in a different suit and a different hairstyle.
In the very first scene the girl encounters an old man who turns out to be the alien. He rips the top of her dress off. In the very next cut he is carrying her and her dress is completely intact.
At about 15 minutes into the movie, the photographer starts having chest pains and his chest is about his explode only hear his shoulder, you can see the edges of the fake rubber chest he is wearing.