Visible crew/equipment: Lighting screens are reflected in Hepburn's glasses while she's in the car heading to the set.
Visible crew/equipment: When Hughes is flying the new and faster airplane, you can see the filming crew reflected in the side of the plane. You can see it at full speed but you can see it better if you slow playback down a bit.
Answer: They did this by hand to te explosions to add effect.
Disney-Freak