Double Back is the thirteenth episode of Season Eleven of NCIS and the 247th episode of the entire NCIS series.
In the aftermath of the Drone Attack on the Conrad Gala, the NCIS team redouble their efforts to find Benham Parsa while McGee struggles to come to terms with the aftermath of the attack.
The episode opens with a recap of what happened over the last few episodes and ends with NCIS Special Agents Leroy Jethro Gibbs and Anthony DiNozzo looking on as NCIS/NSA liaison officer Eleanor Bishop begins opening files containing information on wanted terrorist Benham Parsa.
- Rule 62 is revealed to be "Always give space to someone when they come out of the elevator".
|Leroy Jethro Gibbs||Mark Harmon||Special Agent in charge of the NCIS Major Case Response Team.|
|Anthony DiNozzo||Michael Weatherly||Senior Special Agent and second-in-command of the NCIS Major Case Response Team.|
|Timothy McGee||Sean Murray (actor)||Special Agent of the NCIS Major Case Response Team.|
|Abigail Sciuto||Pauley Perrette||Chief Forensic Specialist for the NCIS Major Case Response Team.|
|James Palmer||Brian Dietzen||Assistant Medical Examiner for the NCIS Major Case Response Team. Credited but doesn't appear.|
|Eleanor Bishop||Emily Wickersham||The NSA/NCIS liaison officer.|
|Leon Vance||Rocky Carroll||Director of NCIS.|
|Donald Mallard||David McCallum||Chief Medical Examiner for the NCIS Major Case Response Team.|
|Dr. Rachel Cranston||Wendy Makkena||NCIS Psychologist and the elder sister of the deceased Caitlin Todd.|
|Bashir Malik||Ravi Kapoor||A member of the Brotherhood of Doubt.|
|Delilah Fielding||Margo Harshman||Special Agent Timothy McGee's girlfriend.|
|Sofia Martinez||Alanna Ubach||NSA Senior Intelligence Analyst who strongly dislikes DiNozzo.|
|Charles Garrett||Carlton Wilborn||Marine Master Sergeant.|
|Victor Hodge||Jeff Galfer||CIA Case Officer.|
|Nurse 1||Monica Lawson||A woman who appears in the episode.|
|Orderly Miller||Marlon Sanders||The Orderly who briefly appears in the intro scene of the episode.|
|Duke Turner||Kovar McClure||An NIS agent who interrogated Bashir Malik back in 1990.|