Visible crew/equipment: The furry suits the "mole men" are wearing clearly show the zippers up the back when one of them is going down a well.
Superman and the Mole Men (1951)
1 visible crew/equipment mistake - chronological order
Directed by: Lee Sholem
Starring: George Reeves, Jeff Corey, Phyllis Coates, Walter Reed
Visible crew/equipment: The furry suits the "mole men" are wearing clearly show the zippers up the back when one of them is going down a well.