The Fifth Man is the third episode, in the fourth season of NCIS: Los Angeles, and the seventy-fifth in the series as a whole excluding the back door pilot episodes and any crossovers.
The team investigate a compromised intel operation after four people connected to the classified project are killed at a diner explosion. As Deeks and Kensi are on the trail of those involved, they learn that a teenage girl who has Autism might be related and Kensi can't help but be empathetic to her situation.
|Chris O'Donnell||G. Callen||Special Agent in Charge|
|LL Cool J||Sam Hanna||Senior Special Agent|
|Linda Hunt||Henrietta Lange||Operations Manager|
|Daniela Ruah||Kensi Blye||Junior Special Agent|
|Barrett Foa||Eric Beale||Tech Operator|
|Eric Christian Olsen||Marty Deeks||LAPD Liaison|
|Renée Felice Smith||Nell Jones||Intelligence Analyst, NCIS: OSP|
|Myk Watford||Mike Hoffman|
|Ian Alda||Dr. Oliver Mathers|
|Troy Winbush||George Toretto|
|Wayne Lopez||Construction Worker|
|Roy Werner||Rich Man|
|Paul Keith||Old Retiree|
|David Magidoff||College Student|
|Ondrea J. Smith||Mother 1|
|Julia O'Donnell||Mother 2|
|Jeanne D. Olsen||Mother 3|
|Caterina Korn Broder||Mother 4|
- Hetty reveals that Kensi spent nearly a year living on the streets after her father, Donald died.
- The real-life mothers of Chris O'Donnell, Daniela Ruah, Eric Christian Olsen, and LL Cool J make a cameo in the casino.
|NCIS: LA Season Four|
|● Endgame ● Recruit ● The Fifth Man ● Dead Body Politic ● Out of the Past ● Rude Awakenings ● Skin Deep ● Collateral ● The Gold Standard ● Free Ride ● Drive ● Paper Soldiers ● The Chosen One ● Kill House ● History ● Lohkay ● Wanted ● Red: Part One ● Red: Part Two ● Purity ● Resurrection ● Raven and The Swans ● Parley ● Descent.[ Season Three ] [ Season Five ]|