Visible crew/equipment: The stunt man driving the car as the Jackal enters France looks nothing like Edward Fox. His hair isn't even the same colour.
Visible crew/equipment: The boom mike dips into shot above Jules Bernard's head just before the Jackal murders him. (01:56:25)
Visible crew/equipment: Denise arrives at her flat and finds the OAS Member there, with his back to the camera. To his right in the mirror the right half of director Fred Zinnemann's body and forearm is visible for a split second. (00:20:40)
Answer: Chins have sebaceous glands (natural oils). He rubs the key on his chin to lightly coat the metal key as a lubricant, so it does not stick to the mould. It will make a perfect impression in the mould to create a flawless cast.
Super Grover ★