Born in
Nowy Sącz, she attended the
National Film School in Łódź from 1976 to 1980. Kanska's best known roles on television were as a Polish academic, Grete Gretowska, in the second series of the BBC's
A Very Peculiar Practice (1988) (and a sequel,
A Very Polish Practice in 1992), as Ludmilla in
The New Statesman, as Finnish bank trading floor dealer Sirkka Nieminen in
Capital City (1990) and as
KGB Major Nina Grishina in the BBC's mini-series
Sleepers (1991). Kanska starred as lawyer Magda Ostrowska in the BBC series
Madson (1995–1996). She also played the part of Greta Beaumont, a
Sudeten German woman, in the first episode of ''
Foyle's War''. ==Personal life==