According to IMDb, Julian is rumored to star as Thomas Brennon in the upcoming period film Justice in a Smoking Gun. However, there is no indication that Julian is working on any other projects at this time.
Though we’ve, unfortunately, seen the last of Jess Lacroix, the network confirmed that a replacement will step in for Julian in the April 12 episode of FBI: Most Wanted.
Source: https://www.distractify.com/p/what-is-julian-mcmahon-doing-now