Nick Searcy as Art Mullen | Justified on FX
Raylan's boss and old friend in the Lexington office, Chief Deputy Art Mullen often indulges Raylan's effective but reckless methods. The deputies look to Art for guidance, a father figure who's tough but supportive. This season finds Art recuperating from a life-threatening gunshot wound - a wound he received towards the end of Season 5 while defending Raylan's then girlfriend. He now wonders if this might spell the end of his Marshals Service career.
as Tim Gutterson
A former sniper for the Army Rangers, Tim is a deadly shot who has a wry understanding of Raylan's unconventional methods.
as Rachel Brooks
Rachel is the consummate professional and the deputy Art always hoped would succeed him upon his retirement.