Peter Dinklage

There is more information available on this subject at Peter Dinklage on the English Wikipedia.

Mr. Dinklage at Comic-con.

Peter Hayden Dinklage (born June 11, 1969), known professionally as Peter Dinklage, is an American actor. Following his breakthrough role 2003's The Station Agent, he has appeared in numerous films such as Elf (2003), Death at a Funeral (2007), and Ice Age: Continental Drift (2012). He is well known for his role as Tyrion Lannister in HBO's Game of Thrones series, which has earned him both an Emmy and Golden Globe Award.

In Destiny, Peter Dinklage provided the voice of the Ghost that accompanies the player's Guardian. As of The Taken King his lines were replaced by Nolan North.