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Sound Off
NCIS
Season
Episode

13
First aired
January 21, 2020
Written by
Lisa Di Trolio
Directed by
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Sound Off is the 13th episode of NCIS Season 17 and also the 391st episode of the entire NCIS series.

SynopsisEdit

After a body is found at an unmanned aerial vehicle testing site, the NCIS team must determine if the death was murder or an accident while Palmer carefully interviews medical assistant candidates.

Major EventsEdit

  • Jimmy begins looking for an assistant.

Trivia Edit

CastEdit

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.
Eleanor Bishop Emily Wickersham Special Agent for the NCIS Major Case Response Team.
Nicholas Torres Wilmer Valderrama Special Agent for the NCIS Major Case Response Team.
Jacqueline Sloane Maria Bello NCIS Forensic Psychologist
James Palmer Brian Dietzen Chief Medical Examiner for the Major Case Response Team.
Kasie Hines Diona Reasonover NCIS Forensic Specialist.
Leon Vance Rocky Carroll Director of NCIS
Donald Mallard David McCallum NCIS Historian. Despite being credited, McCallum doesn't appear in this episode.

Other CastEdit

Name Portrayed by Role
Diana Murphy Katie Leclerc Marine Staff Sergeant who is also deaf.
Edison Geary William R. Moses
George Ingram David Burke The killer.
Christopher Crane Peter Graham
Zahir Najjar Amir Korangy Professor at MIT.
Ronald Kepczak Adam William Zastrow The victims step-brother.
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