What Child is This? is the 10th episode of NCIS Season 16 and also the 364th episode of the entire NCIS series.
The team's holiday plans are put on hold when the murder investigation of a Navy veteran includes the discovery of a newborn baby who has no identification and no apparent ties to a family.
|Leroy Jethro Gibbs||Mark Harmon||Special Agent in charge of the NCIS Major Case Response Team.|
|Timothy McGee||Sean Murray||Senior Special Agent and second-in command of the NCIS Major Case Response Team.|
|Nicholas Torres||Wilmer Valderrama||Special Agent for the NCIS Major Case Response Team.|
|Eleanor Bishop||Emily Wickersham||Special Agent for the NCIS Major Case Response Team|
|Jacqueline Sloane||Maria Bello||NCIS Forensic Psychologist|
|James Palmer||Brian Dietzen||Medical Examiner for the Major Case Response Team|
|Kasie Hines||Diona Reasonover||NCIS Forensic Specialist; Abby's replacement|
|Leon Vance||Rocky Carroll||Director of NCIS|
|Donald Mallard||David McCallum||Chief Medical Examiner for the NCIS Major Case Response Team. Despite being credited, McCallum doesn't appear in this episode.|
|Neera Kapoor||Rahnuma Panthaky|
|Albert Leary||Niko Nicotera|
|Young Woman (What Child is This?)||Sammi Hanratty|
|Paul Spencer||Matt Nolan|
|Lydia Miles||Karole Foreman|
|Samuel Kemp||John Wesley||Chaplain.|
|Jerome Murray||Michael Turner Tucker|
|Richard Sims||Kirk Bovill|
|Judy Shaw||Ele Keats|
|Pete Shaw||Dan O'Connor|
|Old Woman||Marsha Kramer|
|Volunteer (What Child is This?)||Bee-Be Smith|
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