Visible crew/equipment: In the scene where Mel Gibson tumbles over the cliff, right along his boot, which is in the air, a safety harness is visible on Mel Gibson, which is best viewed in slow motion. (As per MM's rules, slow motion is permitted in order to view significant things such as crew/equipment and revealing mistakes.) (00:42:00)
Visible crew/equipment: On the Enterprise-D bridge, when the ship is hit and crewmen go flying, you can see one man go over the bridge railing backward. Twice, from different angles. When he lands the second time, the edge of a blue pad to cushion his fall pops up into the bottom of the shot. (00:16:05)
Visible crew/equipment: in the highway chase scene where the green monster truck rolls on it's side and slides down the road, you can see the truck is rolling on dolly wheels attached to its side. (00:50:05)
Visible crew/equipment: When Mason jumps into the river, as he's going down the rapids, you can see an orange device under the water.