In 1997 , she appeared on `` The Late Show with David Letterman , '' an interview that became notorious for Fawcett 's apparent incoherence . ' Johnson was known for iconic 1970s poster , role in ` ` Charlie 's Angels '' and was hailed for performance in the film ` ` The Burning Bed '' Fawcett had cancer and made TV documentary about her illness .
' Johnson was known for iconic 1970s poster , role in ` ` Charlie 's Angels '' and was hailed for performance in the film ` ` The Burning Bed '' Fawcett had cancer and made TV documentary about her illness .