He was born in
Thessaloniki,
Greece, to a large family of thirteen members, he was the eleventh child of the family. His parents were from
Constantinople (today
Istanbul), and they were initially relocated to
Kavala, moved to
Thessaloniki thereafter, and later moved to the northern
Athens suburb of
Pagkrati. The young Kostas studied initially at the Sergeants Major Military School of
Syros and finished his studies in the
Kavala. at
Alexandras Avenue. At the
Verdun theatre, Hatzichristos acted for his first time in his successful run in the role of a villager character called
Thymios, a role inspired by Kostas Nikolaidis, brother of his wife Mary Nikolaidou. Hatzichristos first screen appearance was in the movie ''The Knights' Castle
in 1952 with Giorgos Asimakopoulos and Nikos Tsiforos. At the same time, he was successful at the theatre founded in 1952 by his own theatrical troupe. In 1960, he became a theatrical entrepreneur and founded his own theatre: Hatzichristos Theatre
(). The theatre premiered on 18 February 1960, and was later renamed as the Treatre Orfeas
. It was located at Panepistimiou Avenue in the Athens neighborhood of Akadimia. Among the greatest successes in his career were the films What a Mess
() in 1963 and Τhe Man Who Returned from the Plates'' () in 1969 with
Anna Fonsou and
Dionysis Papagiannopoulos. He also produced three films and directed eight. His theatrical work continued until 1983. After a long period of absence, he returned into the theatre in 1994‒95 era and played in the local
Hatzichristos Theatre. His difficult years begun when his third wife, Eleni Pantazi died at the age of 42. Kostas Hatzichristos died by cancer on 3 October 2001, suffering from economic problems. He was interred at public expense at
First Cemetery of Athens on 5 October 2001. ==Personal life==