...Goodbye is the second episode of the fifth season, and 58th episode overall of the show, Rizzoli & Isles.
While the team deals with their grief in order to make arrangements for Frost's funeral, a young woman with amnesia wearing bloody clothing walks into the precinct holding a gun and stating she might have killed someone.
- Angie Harmon as Detective Jane Rizzoli
- Sasha Alexander as Dr. Maura Isles
- Jordan Bridges as Officer Frankie Rizzoli, Jr.
- Bruce McGill as Detective Vince Korsak
- Lorraine Bracco as Angela Rizzoli
- Jenn Proske as Lily Green
- Barbara Eve Harris as Camille Frost
- Ernie Hudson as Admiral Frost
- Mercedes Colon as Robin Jackson
- Brian Goodman as Lieutenant Sean Cavanaugh
- Stacey Bender as Funeral Guest
- Christopher Glenn as Medical Student
- Jeremy Guskin as Todd
- Helen Highfield as Teacher
- Barry Livingston as Roger Wise
- Orion McCabe as bagpiper at Funeral
- Jack Mikesell as Toby Warren
- Arnell Powell as Cop
- Steve Wong as Detective Boston