Sigourney Weaver has a well-earned reputation in Hollywood for playing tough characters, like the ruthless Ripley in the Alien movies.
But she reckons that in real life she’s a wimp who scares herself silly before going on set, worrying about everything that could possibly go wrong.
“I always get very nervous about a job before it starts,” she admits. “I actually anticipate all the things that can go wrong, which means that in the two or three weeks
