Constantinos Gavras (born February 13, 1933, Loutra Iraias, Greece), better known as (Constantin) Costa-Gavras (and other variants), is a Greek-French filmmaker best known for films with overt political themes, most famously the dark, fast-paced thriller, "Z" (1969). Most of his movies were made in French and released with English subtitles; starting with "Missing" (1982), several were made in English. Wikipedia
The definitive Wikipedia entry for Costa Gavras. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Costa_Gavras