The season consists of . It began with the introduction of Secret Service Agent Caitlin "Kate" Todd , who joins the team in the pilot after an assassination attempt on Air Force One. A recurring theme throughout the season is the "turf wars" between NCIS and other federal agencies like the FBI and Secret Service. Main Cast & Key Characters
A former Secret Service agent who provides profiling expertise and balances out the team's dynamics.
The team’s Goth-styled forensic specialist.
The first season of (originally titled Navy NCIS ) premiered on September 23, 2003 , on CBS. It follows the Major Case Response Team (MCRT) as they investigate crimes related to the Navy and Marine Corps. Season Overview
The original ensemble cast established the core dynamics of the series:
A former homicide detective with a charismatic but often immature personality.
Introduced as a recurring probationary agent from Norfolk; he becomes a more permanent fixture later in the season.
Debuts mid-season as the new assistant medical examiner after Gerald Jackson is injured.
The season consists of . It began with the introduction of Secret Service Agent Caitlin "Kate" Todd , who joins the team in the pilot after an assassination attempt on Air Force One. A recurring theme throughout the season is the "turf wars" between NCIS and other federal agencies like the FBI and Secret Service. Main Cast & Key Characters
A former Secret Service agent who provides profiling expertise and balances out the team's dynamics.
The team’s Goth-styled forensic specialist.
The first season of (originally titled Navy NCIS ) premiered on September 23, 2003 , on CBS. It follows the Major Case Response Team (MCRT) as they investigate crimes related to the Navy and Marine Corps. Season Overview
The original ensemble cast established the core dynamics of the series:
A former homicide detective with a charismatic but often immature personality.
Introduced as a recurring probationary agent from Norfolk; he becomes a more permanent fixture later in the season.
Debuts mid-season as the new assistant medical examiner after Gerald Jackson is injured.