>> beautiful. >> reporter: an actor in spider-man who plunged more than 20 feet during a recent stunt is the fourth performer injured in the $65 million broadway play still in previews. how dangerous is this profession? >> okay. well, danger is kind of part of the game. >> reporter: more than a game, it is serious work. >> ten, nine -- >> reporter: guinevere is an aerial acrobat who runs her own small troupe performing throughout new york. spider-man's accidents are the talk of the aerial community. >> one person getting hurt, then it's not necessarily the show's fault, but four people. >> if i was in that show, i mean, it's hard. that's a big machine to be a little tiny cog in, so i don't envy those performers. >> reach your right arm out to the side. >> reporter: barely dangling off the floor, they gave me a small taste of their techniques. >> there you go.