Visible crew/equipment: When Billy talks to Brad and Ryan about how Dina has manipulated them, there is a close up of Ryan and you can see a shadow move over him. No-one else is near by. (00:04:20)
Visible crew/equipment: When Jill walks out of the police station, watch in the glass and you will very briefly see a boom mic and stage light reflected. (00:16:35)
Visible crew/equipment: When Bobby is walking to his car there is a very nice reflection of a stage light visible in his car. (00:26:30)
Visible crew/equipment: When the camera is panning down on the mess that is the junk yard, look in the cars and you can see a shadow moving. Clearly the camera. (00:27:30)
Visible crew/equipment: Just as Bobby gets to the "Verify your self worth through commitment" room, there is a clip of the red paint on the floor. If you look carefully you can see that there is a mark where Bobby has got to stop. (00:44:35)
Visible crew/equipment: When Bobby grabs the key for Cale's noose. There is a shadow on the door of a boom mic. (00:53:50)
Visible crew/equipment: The second time Gibson looks round the room where the Reverse Bear Trap was found, look in the mirror and you can make out a camera man. (01:02:25)
Visible crew/equipment: When Hoffman runs to hide from the second coroner, he goes right up close to the camera. When he does, you can see the camera's shadow on his face. (01:08:00)
Visible crew/equipment: When Hoffman is strapping Jill's second wrist into the chair, look at his head. As the camera moves in for a closeup, you can see the camera's shadow move over Hoffman's head. (01:15:15)
Visible crew/equipment: In the first shot at the public trap, you can see a camera crane reflected in the mirrors.
Answer: Dr. Gordon from the 1st movie, and Ryan and Brad from the trap in the beginning of this movie.
derrick g