Niall guest starred in the season five episode of TNT’s ‘Rizzoli & Isles’. entitled “In Plain View“, which aired March 10, 2015. playing the role of Detective Mike Guthrie.
Trivia: Niall previously played a cop for the TNT commissioned pilot “Guilt by Association”, based on the novels by Marcia Clark. Starring alongside Julia Stiles, Niall portrayed Lieutenant Graden Hales.
Rizzoli & Isles is a police procedural drama, based on the novels of Tess Gerritsen. It centers on police Detective Jane Rizzoli and Medical Examiner Dr Maura Isles, working on homicide cases for the Boston police department.
Appearance: Season 5 – Episode; “In Plain View” (airdate March 10, 2015)
“In Plain View”
Maine Detective Mike Guthrie seemingly offers assistance in catching a killer who may have links to another murder he himself is investigating. However, his own connections to the Boston victim are soon revealed, and he is ultimately discovered to have been the killer himself, looking to hinder the investigation.