Tzachy Halevy was born in Petah Tikva, Israel. As a child he lived in many countries due to his father's work at the Prime Minister's Office. During his 3-year mandatory Service in the Israeli Defense Forces, he joined Samson Unit and later served as an officer in Duvdevan Unit. Halevy moved to Tel Aviv in the late 1990s. He has been a member of the Mayumana troupe since 1999.

In 2012 he began his acting career, appearing on plays at Habima Theatre and Haifa Theater

In 2013 he won the Ophir Award for Best Supporting Actor for his part in Bethlehem

In 2014, he portrayed 'Shlomi Daddon' on the Hot 3 television series Metim LeRega alongside Agam Rudberg, Ofer Shechter and Yuval Segal. That year, he also appeared on Bettulot as 'Haim Toledano' and worked alongside Sasson Gabai and Maggie Azarzar.

In February 2015, the political-thriller Fauda first aired on 'yes'. Fauda Halevy portrayed 'Naor', a member of a Mista'arvim unit. He later appeared on The Kind Words as 'Rikki'.

In 2016, he played a small role on Channel 10's Hostages. In 2017, he appeared on the second season of Mossad 101 as 'Liron Harriri', the head of a crime family, and on HOT's Full Moon as 'Baruch'.