The Final Chapter of BONES picks up where last season's cliffhanger left off - Brennan (Emily Deschanel) kidnapped by her former assistant, Zack Addy (guest star Eric Millegan), as Booth (David Boreanaz) and the rest of the lab desperately search for her. Brennan's rescue is, however, just the beginning of their problems.
- Temperance Brennan - Emily Deschanel
- Seeley Booth - David Boreanaz
- Jack Hodgins - T.J. Thyne
- Angela Montenegro - Michaela Conlin
- Camille Saroyan - Tamara Taylor
- James Aubrey - John Boyd
Intern of the WeekEdit
- Zack Addy - Eric Millegan
- Sara Rue - Karen Delfs
- Ravi Kapoor as Dr. Mihir Roshan
- Tim Guinee as Dr. Brandon Faulk
- This episode picking up from where the season 11 finale ended.