At the Hollywood crew blog Totally Unauthorized, "Peggy Archer" tells the story of a mean-looking power juicer who got drafted into a scene as a security guard because the guy sent over by the casting agency was "more 'underaged hall monitor' than 'menacing authority figure.'"
Our producer ambushed him at the craft service table and talked him into playing the security guard role (no lines, of course - then they'd have to pay him more and possibly taft-hartley him into SAG).
His first question, of course, was "How much extra are you going to pay me?"
They put him in wardrobe, he did the scene (where he looks menacing - and he did it really well. He didn't look stiff at all, even though he told us later that he was nervous as hell), and afterwards graciously endured about an hour of catcalls and wolf whistles from the crew.
As soon as he got back into his real clothes and onto the walkie, his first statement was "I just wanted a cup of coffee. I'm still not sure how this happened to me."
Last week Archer had unwanted teenager encounters while filming on location at a high school.