Revealing: Superman has fillings in his teeth.

Revealing: When Jor-El is placing the baby Kal-El into the spacecraft, you can see his Rolex under his sleeve.

Visible crew/equipment: Just after young Clark Kent jumps in front of the train, there is a close up of the train speeding by with a very visible camera in its reflection.

Visible crew/equipment: Near the beginning when Lois and Clark are walking out of the Daily Planet, Clark gets stuck in the revolving doors. But, look closely at the glass door, and you can see the crewman holding the door so that Christopher Reeve can get stuck.