Alfie Allen

Alfie Evan James Allen is an English actor. He is best known for portraying Theon Greyjoy in the HBO series Game of Thrones since 2011.

Allen was born in Hammersmith, London, the son of film producer Alison Owen and Welshborn actor Keith Allen. His older sister is singer Lily Allen her song Alfie is about him. He went to Windlesham House School in Sussex, Embley Park School near Romsey, St Johns College in Portsmouth and the Fine Arts College in Hampstead, where he studied for his Alevels. He is also a third cousin of British singer Sam Smith.

Source: Wikipedia