Veteran actress Sally Field appears frail and gaunt as she continues to live her life away from the spotlight. RadarOnline.com can reveal the Mrs. Doubtfire star, 77, was recently pictured making a rare outing in Los Angeles, months after slamming ageist Hollywood execs for not creating enough roles for older women and crediting her children for “saving her life”. Field’s last major film was 80 For Brady, released in February last year, but big screen opportunities have dwindled in recent years. It’s a far cry from her heyday in the Eighties and Nineties where she landed big parts in family bl…