: Introduces Duncan Moore ; Oliver begins his tenure as Staff Sergeant.
: Undergoes significant personal growth, exploring a relationship with forensic pathologist Holly Stewart and facing a life-altering tragedy that leads her toward a "bold" decision regarding adoption. Rookie Blue - Season 5
: Their relationship is tested when Chloe's secret husband, Wes, reappears and begins making medical decisions for her while she is incapacitated. Cast and New Characters Role Notes Andy McNally Missy Peregrym Now a veteran and Training Officer Sam Swarek Ben Bass Recovers from shooting; explores past trauma Duncan Moore Matt Murray The new rookie with a challenging attitude Inspector John Jarvis Oliver Becker New leadership at Division 15 out to make his mark Juliette Ward Erin Karpluk A new officer who transfers to 15 Division with a secret Notable Episodes : Introduces Duncan Moore ; Oliver begins his
: The season picks up immediately after the Season 4 finale, with characters like Sam Swarek and Chloe Price fighting for their lives in the hospital after being shot. Cast and New Characters Role Notes Andy McNally
: Oliver Shaw is promoted to Acting Staff Sergeant—a role he is initially reluctant to accept—replacing Frank Best. Major Character Arcs
: For the first time, the original five rookies (Andy, Dov, Gail, Traci, and Chris) are now five-year veterans. Andy McNally takes on a mentoring role as a Training Officer for a new, eager, yet problematic rookie, Duncan Moore .