Tom Wlaschiha

Tom Wlaschiha portrayed Koenig in The Sarah Jane Adventures story Lost in Time.

Wlaschiha is a native of Germany. He has appeared in many German and international films and television dramas. In 2011, he appeared opposite Matt Smith and Toby Jones as the brother of Christopher Isherwood's German lover in the BBC television film. In 2012, he played the enigmatic assassin Jaqen H'ghar in the HBO series Game of Thrones.