[1][2] He spends about a month a year in Israel where most of his relatives reside, and has cousins and uncles who were in the Israeli Special Forces.

In 2009, Sisley won the Most Promising Newcomer title at the Étoiles d'or French awards for his acting in Largo Winch.

[8] In 2011, Sisley accepted the leading part in a low-budget French thriller film Sleepless Night.

[13] In the French action thriller Largo Winch II (2011), Sisley performed a fight while skydiving from a plane without a parachute.

In the American thriller web television series Messiah (2020) Sisley plays Israeli Shin Bet intelligence officer Aviram Dahan.