September 3rd, 1965 ~ Is born the first son of John and Louise Theodosopoulos in Melbourne, Australia

September 13th, 1966 ~ Younger brother Louis is born

18 ~ Costas moves to Greece to become a midfielder for the European Championship team, Panathiniakos

21 ~ Costas moves back to Australia to join their National League, where he would soon suffer a severe shin injury causing him to give up his beloved career with soccer

1989 ~ Costas decides to leave Greece to try his luck as an actor in the States where he changes his last name from Theodosopoulos to Mandylor, after his mother's maiden name Mandylaris

1991 ~ stars in the movie Mobsters playing Frank Costello with actors Patrick Dempsey, Richard Grieco, Christian Slater, and Anthony Quinn

1992 ~ is approached by David E. Kelly to play the role of Deputy Kenny Lacos on CBS' show Picket Fences

May 1997 ~ marries girlfriend actress/model Talisa Soto

Fall 2000 ~ stars in the UPN tv show SECRET AGENT MAN, as Agent Monk