Regulars Cast Edit
|Leroy Jethro Gibbs||Mark Harmon||Special Agent in charge of the Major Case Response Team, NCIS.|
|Anthony DiNozzo||Michael Weatherly||Senior Special Agent, MCRT, NCIS.|
|Ziva David||Cote de Pablo||Mossad Liaison to the NCIS.|
|Abigail Sciuto||Pauley Perrette||Chief Forensic Specialist, NCIS.|
|Timothy McGee||Sean Murray||Junior Special Agent, MCRT, NCIS.|
|Jennifer Shepard||Lauren Holly||Director of NCIS.|
|Donald Mallard||David McCallum||Chief Medical Examiner, NCIS.|
|James Palmer||Brian Dietzen||Ducky's assistant.|
|Michelle Lee||Liza Lapira||An NCIS Agent assigned to the Legal Department.|
|Roy Sanders||Matthew Marsden||Navy Lieutenant with the International Atomic Energy Agency or IAEA.|
|Mark Sadowski||Marc Vann||An inspector for the IAEA.|
|Timothy Hass||Scott Klace||A doctor who treats Lt. Sanders.|
|Dee Dee Chesney||Diane Delano||A woman at the shooting range that Tony and McGee attend.|
|Diane Russio||Kate Norby||A woman who works for the IAEA.|
|Holly Stegman||Erin Torpey||A woman responsible for poisoning her colleagues, Lt. Roy Sanders and Mark Sadowski.|
- Ziva hints that she might be able to kill someone with a paperclip.
- Ziva begins developing feelings for Lt. Roy Sanders, the radiation poisoning victim.
- In the next episode, Skeletons (episode), Ziva confirms, while conversing with Abby, that Roy died.
- CSI: Miami has a similarly-title episode, the "Dead Woman Walking," which also revolves around radiation poisoning. The victim is an environmental activist who was poisoned with orange juice dosed with Iodine-130, and had two weeks to live.
|NCIS Season Four|
|Shalom ♦ Escaped ♦ Singled Out ♦ Faking It ♦ Dead and Unburied ♦ Witch Hunt ♦ Sandblast ♦ Once a Hero ♦ Twisted Sister ♦ Smoked ♦ Driven ♦ Suspicion ♦ Sharif Returns ♦ Blowback ♦ Friends and Lovers ♦ Dead Man Walking ♦ Skeletons ♦ Iceman ♦ Grace Period ♦ Cover Story ♦ Brothers in Arms ♦ In the Dark ♦ Trojan Horse ♦ Angel of Death|