They're not on screen or on strike, but somewhere way behind the scenes in Hollywood, legions of workers are off the job as writers strike against studios. A growing number of caterers, hairdressers, set builders, crew members and people who rent everything from trucks to portable dressing rooms have been idled in this industry town, as filming shuts down and studios yank funding from production companies. With no deal is sight, the toll will only mount. Gary Gentile reports.