She got naked in many films, starting with Heat and Dust, But my first memory of her was as Nina Beckman in a terrific little cold war thriller called Defence of the Realm (1986) with Denholm Elliot and Gabriel Byrne, in which she was stunningly beautiful but did not appear nude,
Greta is going strpng too, now in a new Australian series called Derby and Joab, Bryan Brown and Greta Scacchi star as the title characters, 2 strangers who stumble upon each other and embark on a journey through the Australian outback together. He's a retired cop fleeing past mistakes, she's a widow trying to outrun her grief.