On Dangerous Ground Danny and Jamie clash over a gang-related shooting. Erin and Anthony search for answers when a lawyer in their office jeopardizes a case involving Erin's nephew. Frank grows concerned when he's not invited to speak at a policing forum. Details Casts Title On Dangerous Ground Genres Crime Drama Release Date 2022-11-18 Episode Runtime 00 Hours 39 Minutes Season Number 13 Episode Number 6 Production Companies CBS Productions, Paw in Your Face Productions, Panda Productions Tom Selleck Frank Reagan Donnie Wahlberg Danny Reagan Bridget Moynahan Erin Reagan-Boyle Will Estes Jamie Reagan Len Cariou Henry Reagan Vanessa Ray Eddie Reagan Andrew Terraciano Sean Reagan Gregory Jbara Garrett Moore Robert Clohessy Sid Gormley Abigail Hawk Abigail Baker Marisa Ramirez Maria Baez Steve Schirripa Anthony Abetemarco