Kelly McGillis (image © Rex Features)

Hollywood is a fickle mistress, and the road to superstardom is littered with her used-up conquests: child stars who never made it as adults, pin-ups who had the temerity to grow old or raise a family, boyish heroes who suddenly weren’t so boyish any more, and side-splitting comics who found out the hard way just how fast comedy can date.

While Tinseltown is filled with performers who never made it to the big time, the strangest and saddest tales belong to those who hit the dizzy heights of  fame but could not, for whatever reason, hold on to it. And where are they now? Find out below.