1. Nina Dobrev is fluent in Bulgarian. Dia Dipasupil / Getty Images She was born in Bulgaria but grew up in Canada. 2. Sebastian Stan is fluent in Romanian. Bravo / Getty Images He was born in Romania and grew up in New York. 3. Mila Kunis is fluent in Russian. Nbc / Getty Images She was born in Ukraine and moved to California when she was seven. 4. Natalie Portman is fluent in Hebrew. Anthony Harvey / FilmMagic, She was born in Jerusalem and grew up in New York. 5. Bradley Cooper is fluent in French. Jason Laveris / FilmMagic He did study abroad in France while a student at Georgetown. 6. Sandra Bullock is fluent in German. C Flanigan / FilmMagic Her mother, Helga Meyer, was German. 7. Joseph Gordon-Levitt is fluent in French. Rich Fury / Getty Images He studied it at Columbia. 8. Jodie Foster is fluent in French. Pascal Le Segretain / Getty Images She went to a French-language school growing up. 9. Zazie Beetz is fluent in German. Albert L. Ortega / Getty Images Her father is German and she was born there. 10. Camilla Belle is fluent in Portuguese. Frazer Harrison / Getty Images Her mother Cristina is Brazilian. 11. Colin Firth is fluent in Italian. Gareth Cattermole His wife, Livia Firth, is Italian. 12. Paul Wesley is fluent in Polish. Michael Tran / FilmMagic Both of his parents are Polish. 13. Darren Criss is fluent in Italian. Phillip Faraone / Getty Images He minored in it while attending the University of Michigan. 14. Sandra Oh is fluent in Korean and French. Noam Galai / Getty Images She was born in Canada to Korean parents and learned French while studying in Montreal. 15. And Viggo Mortensen is fluent in everything. Frazer Harrison / Getty Images Well, not everything but Viggo was born in New York to an American and Danish father so he knows Danish. He was raised partly in Argentina and became fluent in Spanish. He's also proficient in French, Italian, Norwegian, and Swedish.