Michael, I know she’s a nice girl. She’s too bloody nice. She's supposed to be playing a bitch. Every day I have to make her into a bitch.

To producer Michael Klinger (1964) during the production of Repulsion (released 1965) after actor Yvonne Furneaux had complained about how Polanski was treating her, as cited in "Yvonne Furneaux, Cosmopolitan Actress in ‘La Dolce Vita,’ Dies at 98", The New York Times (2 August 2024). Originally quoted in Christopher Sandford's Polanski: A Biography, New York: Palgrave Macmillan (2008)