Visible crew/equipment: Seconds before the bus blows you can clearly see the camera crew in a reflection of a car's windscreen. (02:01:55)
Visible crew/equipment: As the armoured truck is midway from the airport to the Fiat plant, the film crew is seen in the mirrored finish of the stripe running down the length of the truck.
Visible crew/equipment: Stunt men are visible in the car just before it explodes from the cocktail grenades.
Visible crew/equipment: As Eddy stands up to go out of Enrico's restaurant with Bullitt, look at the only window that is in the shot. A short male with black hair gets past the crowd-control policeman (in a white helmet) on the sidewalk. The cop reaches out to stop him, but it is too late. The walkie-talkie in the cop's hand has a long antenna. It's quick, subtle and quite humourous.
Visible crew/equipment: When Lee shoots Fun Boy, Fun Boy falls backwards on to the bed. His leg flies up, and you can clearly see the cord coming from his pants that is attached to the fake blood bag. (00:39:05)
Visible crew/equipment: In the scene where Michael is brought to Louis' house by his friends in the car, the camera rails are visible.
Visible crew/equipment: While People's brother is waiting in the car he gets shot in the head. If you slow the scene you can see an empty blood sack near the back of the window.
Visible crew/equipment: In the shot where the 4x4 flips, you can see a stunt driver and a dummy inside the vehicle.
Visible crew/equipment: When Robocop visits Cain's hideout and sends his car in as a decoy, after he returns to the car, watch the driving shot closely. A wire has magically strung itself across the entrance and attached itself to the back of the car - it wasn't visible from an earlier shot. As the car drives forward it stretches the horizontal wire, and just as a tiny amount of pressure is exerted, the car explodes. Yeah, it's technically a mistake, but I think it's more worth checking out just to see how those tricky effects are achieved.
Visible crew/equipment: When asking the street gang in the street war sequence to drop their weapons ("I am the law") you can clearly see the cable the microphone is connected to running from the back of Stallone's helmet. This cable is not visible before or after.
Visible crew/equipment: After Bond received a lighter from Felix and Della, he uses it and the flame is big. In the beginning and the end, you can see a tube is connected to the lighter and the tube goes into his suit. (00:15:00)