Some guy who was staying at one of Duncan's registered owned properties - that's why the Assassins went to try and find him there. Same with that fat guy they pumped with lead.
Polar (2019) Mads Mikkelsen as Duncan and Vanessa Hudgens as Camille. Also in the cast are Katheryn Winnick, Ruby O. Fee, Josh Cruddas, Anthony Grant, Robert Maillet, Fei Ren, Johnny Knoxville, Richard Dreyfuss and Matt Lucas in their supporting roles.