The sixth and final season of Rookie Blue premiered on May 21, 2015 on Global, containing the remaining episodes for the fifth season that have been re-branded as season six. Production Originally produced as the second half of a 22 episode season five, and later re-branded as season six. It premiered in Canada on Global on Thursday, May 21, 2015. On June 11, 2015, Global announced that Rookie Blue would move to Wednesday nights at 9:00 p.m. beginning June 24, 2015. The final two episodes of the season moved to Wednesday nights at 10:00 p.m. on Global. Rookie Blue premiered in the United States on ABC on June 25, 2015. Melanie Nicholls-King returned as Detective Noelle Williams, following her absence during season 5. Season 6 ends with the announcement that Tassie Cameron would be leaving her role as executive producer. Cast Main Cast Missy Peregrym as Officer Andy McNally Gregory Smith as Officer / Detective Dov Epstein Charlotte Sullivan as Officer Gail Peck Enuka Okuma as Detective / Detective Sergeant Traci Nash Travis Milne as Officer Chris Diaz Peter Mooney as Officer Nick Collins Priscilla Faia as Officer Chloe Price Adam MacDonald as Detective Steve Peck Matt Gordon as Officer / Staff Sergeant Oliver Shaw Ben Bass as Detective Sam Swarek Recurring Erin Karpluk as Officer Juliette Ward Melanie Nicholls-King as IA Officer/Detective Noelle Williams Rachael Ancheril as Detective Marlo Cruz Katharine Isabelle as Detective Frankie Anderson Episodes U.S. Nielsen ratings The following is a table for the United States ratings, based on average total estimated viewers per episode, of Rookie Blue on ABC. References 2015 Canadian television seasons