Josef Altin (born as Yusuf Altñn; 12 February 1983) is a British television and film actor who had the role of Pypar in the HBO fantasy TV series Game of Thrones. Other notable performances is his role as Ekrem in Eastern Promises and his roles in The Bill, Peep Show, and Casualty. He starred in D.C. Moore's hit play The Empire at the Royal Court Theatre in London. Altin also played the role of Darren in Him & Her, a BBC TV series.
Altin was born in London, to a Turkish family.
Altin's earliest television roles were as Garry in the drama series Psychos and a machine strimmer in Blackpool. Altin has appeared on The Bill in two different roles, as Jay Henderson from 2006 to 2007, and as Peter Balmaine in 2009.
Other television series in which he has appeared include Peep Show, Doctors, Robin Hood, Casualty, Little Miss Jocelyn, New Tricks, Being Human, Misfits and '. In the HBO fantasy TV series Game of Thrones, Altin portrayed the character named Pypar, commonly called Pyp.
In 2007, Altin appeared in two films, as Bully in Boy A, and as Ekrem in Eastern Promises. In 2015, he had roles in the films Narcopolis and Child 44, as well as the six-part British television drama series River on BBC One. The following year, he starred in the short film, I Dream of Zombies.
In 2017 Altin appeared in the E4 sitcom Chewing Gum as Ryan, and portrayed Prince Rasselas, a young molly boy who plies his trade on the streets of Covent Garden, in the Hulu Original Harlots. In 2018, Altin played Willem Van Burgen, a disturbed paedophile suffering from syphilis, who comes from a wealthy family, suspected of being the serial killer of boys in the TNT period drama, The Alienist.