Visible crew/equipment: After Mrs. McIntyre sits down and asks about the pictures, John Candy asks "Did I get these pictures?", and an orange falls from the tree onto the desk. After that a gloved hand is seen rolling the orange off the desk. (00:09:00)
Visible crew/equipment: When Detective Casey and the police officer drives off to pursue Draisen's signal, you can see the entire film crew reflected in the side window of the police car. (01:09:00)
Visible crew/equipment: In the scene where Harry Crumb can hear Elliot Drasion in the room tidying up, you can see a microphone at the very top of the screen.
Visible crew/equipment: When Harry Crumb is falling down the vent just before Harry Crumb falls onto someone, you can see someone's hand reflection dropping the camera of Harry Crumb's down the vent.
Answer: It's not a real movie and it's not Kathleen Turner. It was just done for the scene. The two people in the "movie" are Patrick McKenna and Daliah Novak who are credited as "TV Man" and "TV Woman."
Bishop73