What Child is This?

First aired
December 11, 2018.
Written by
Directed by
Previous episode
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.


Series RegularsEdit

Name Portrayed by Role
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.

Other CastEdit

Name Portrayed by Role
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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