Something Blue is the 23rd episode of NCIS Season 14 and also the 329th episode of the entire NCIS series.
The stress of McGee and Delilah's imminent wedding takes its toll as Delilah is rushed to the hospital after collapsing while the NCIS team travels out to sea to investigate after a young and healthy Petty Officer aboard a Navy destroyer dies in his sleep.
- It's revealed that Delilah is pregnant.
- McGee and Delilah get married.
|Leroy Jethro Gibbs||Mark Harmon||Special Agent in charge of the NCIS Major Case Response Team.|
|Abigail Sciuto||Pauley Perrette||Chief Forensic Specialist for 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.|
|Alexandra Quinn||Jennifer Esposito||Special Agent for the NCIS Major Case Response Team.|
|Eleanor Bishop||Emily Wickersham||Probationary Agent for the NCIS Major Case Response Team.|
|James Palmer||Brian Dietzen||Assistant Medical Examiner for the NCIS Major Case Response Team.|
|Leon Vance||Rocky Carroll||Director of NCIS.|
|Donald Mallard||David McCallum||Chief Medical Examiner for the NCIS Major Case Response Team.|
|Clayton Reeves||Duane Henry||Officer with MI6.|
|Delilah Fielding||Margo Harshman||DoD Agent & McGee's Fiance|
|Bitterman||Mailon J. Rivera||Navy commander of the U.S.S. McGuire.|
|Reed Haring||Nick Clifford||Petty Officer First Class in the United States Navy.|
|Stoddard||Tom Williamson||Ensign and victim's division officer.|
|Mary Choi||Christina Ferraro||Navy chief.|
|Doctor (Something Blue)||Robinne Lee|
|Vernon Palumbo||Alex Blue Davis|
|Regina Jones||Madeline Bertani||Victim's sister.|