Rooney Mara arrives in Sweden to prepare for Girl With The Dragon Tattoo

She was relatively unknown until only a few weeks ago.

But actress Rooney Mara has already been spotted on the Stockholm of The Girl With The Dragon Tattoo – less than a month after it was announced she had got the coveted role.

The 25-year-old actress, who is sister to Brokeback Mountain star Kate Mara, was seen yesterday.

Rooney Mara is in Stockholm to prepare for the part of Lisbeth Salander

Rising star: Rooney Mara is in Stockholm, Sweden to film The Girl With The Dragon Tattoo alongside Daniel Craig

Rooney nabbed the role of Lisabeth Slander, a wickedly smart computer hacker from the International Best-selling book by Steig Larsson, beating out contenders including Carey Mulligan.

The young star was spotted yesterday heading into a gym in the Swedish capital city before heading to a language school where she is reportedly learning to speak with a Swedish accent.

The film’s producer David Fincher recently revealed that he wanted all actors to talk with a Swedish accent. 

The filme 2012, which is due to be released next year, also stars Daniel Craig as the protagonist, crusading journalist Mikael Blomkvist.

Rooney Mara is in Stockholm to prepare for the part of Lisbeth Salander
Rooney Mara is in Stockholm to prepare for the part of Lisbeth Salander

Shy girl: The star will play Lisabeth Slander, a computer hacker, from the bestselling novel