A very large dent repeatedly appears and disappears from the passenger side door of Jim's Porsche. This is most noticeable when Jim and Mike go to the studio to remove their files; the dent inexplicably appears late in the scene.
When Lisa walks out on Jim, she drops a small gray suitcase as she opens the sliding glass door, but the suitcase is suddenly back in her hand when the camera angle changes.
Film crew and a large theatrical light clearly reflected in Jim and Mike's sunglasses as they talk at the beach.