Natalia Gastiain Tena is a British actress and musician of Spanish descent. She played Nymphadora Tonks in the Harry Potter film series, and the wildling Osha in the HBO series Game of Thrones.
Natalia Tena was born in London, the daughter of Spanish parents Mara, an Extremaduran secretary, and a Basque father, Jess, who works as a carpenter. She is fluent in Spanish and Basque. She studied at the boarding school, Bedales.
Source: Wikipedia