Sharp, subtle and effortlessly Lynchian: Diane Ladd had a potent star power

In a hugely successful TV and film career, her waitresses, neighbours, moms and daughters ranged from comedy to drama to David Lynch films, always with compelling authenticity• Diane Ladd, Oscar-nominated star of Alice Doesn’t Live Here Anymore, dies aged 89Diane Ladd was part of a Hollywood aristocracy of character actors who from the golden period of the American New Wave onwards lent star quality to supporting roles. She brought an authentic, undiluted American screen-acting flavou