Shortly after 13 minutes in an interior suite door is shown. Attention is critical as 'access' is the focus. The yellow door with white inset panels has One bit of hardware, tight next to a white inset panel. No other hardware.
A knock on the door and a man gets up to answer it. Camera switches to a close-up of him unlocking a deadbolt well removed from the white inset panels and located in part of the door that is gold with decorative trim separating the gold from yellow inside. Also, above the deadbolt is a door handle!
As he opens the door the camera switches back to full frame showing the original door.
Stefanie Powers keeps her fingernails rather short. But when Jennifer's finger is seen pressing the elevator button, the fingernails are much longer.