History is the 15th episode of NCIS: Los Angeles Season 4 as well as the 87th episode of the entire NCIS: Los Angeles series.
Synopsis
OSP investigate the death of a former member of a domestic terrorist group, the Gun Barrel Party, a group that in the 1970s was wanted for carrying out a string of bombings as well as domestic terrorism with the investigation growing intense when it's discovered that a supposedly dead member of the Gun Barrel Party may in fact still be alive and living under an alias in downtown Los Angeles.
Plot
Deeks in Ops.
Cast
Series Regulars
| Name | Portrayed by | Role |
|---|---|---|
| G. Callen | Chris O'Donnell | NCIS Special Agent and the leader of the Office of Special Projects field team. |
| Kensi Blye | Daniela Ruah | NCIS Special Agent with the Office of Special Projects. |
| Marty Deeks | Eric Christian Olsen | A Detective with the Los Angeles Police Department and also the LAPD/NCIS liaison. |
| Eric Beale | Barrett Foa | Tech Operator with the Office of Special Projects. |
| Nell Jones | Renée Felice Smith | Tech Analyst for the Office of Special Projects. |
| Henrietta Lange | Linda Hunt | Operations Manager with the Office of Special Projects. |
| Sam Hanna | LL Cool J | A former Navy SEAL-turned-NCIS Special Agent with the Office of Special Projects. |
Other Cast
| Name | Portrayed by | Role |
|---|---|---|
| Oliver Johnson | Richard Cox (actor) | Member of the Gun Barrel Party who is using the alias "Roy Hale". |
| Jim Mullins | Tim de Zarn | Member of the Gun Barrel Party. |
| Leah Dewhurst | Sylva Kelegian | |
| David Thompson | Jared Hillman | Professor Roy Hale's TA or Teaching Assistant. |
| Alan Sanderson | Hartley Sawyer | Member of Red Tide. |
| Ellen | Ciera Payton | |
| Brad Ross | Regan Burns | |
| Jeff | Landon Ashworth |
