10 'JAG' Stars Who Appeared on 'NCIS,' 'NCIS: LA' & 'NCIS: New Orleans' (PHOTOS)

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JAG, season 10
Monty Brinton/CBS
Battle Scars
Cliff Lipson/CBS

John M. Jackson (A.J. Chegwidden on JAG)

NCIS: Season 10 finale “Damned If You Do”

NCIS: Los Angeles:

Season 8 Episode 15 “Payback,” Episode 21 “Battle Scars,” and Episode 22 “Golden Days”

Season 9 Episode 8 “This Is What We Do,” Episode 13 “Các Tù Nhân,” and Episode 14 “Goodbye, Vietnam”

Dark Secrets
Eddy Chen/CBS

Patrick Labyorteaux (Bud Roberts Jr. on JAG)

NCIS:

Season 1 Episode 2 “Hung Out to Dry”

Season 14 premiere “Rogue”

Season 15 Episode 12 “Dark Secrets”

Screen Shot 2019-04-18 at 5.35.12 PM
CBS

Scott Lawrence (Sturgis Turner on JAG)

**Playing a new character, Captain Thomas Lind:

NCIS: Season 8 Episode 14 “A Man Walks Into a Bar”

NCIS: New Orleans
Skip Bolen/CBS via Getty Images

Zoe McLellan (Jennifer Coates on JAG)

**Playing a new character, Meredith Brody:

NCIS: New Orleans: Seasons 1 and 2

Screen Shot 2019-04-18 at 5.14.51 PM
CBS

Randy Vasquez (Victor Galindez on JAG
)

**Playing a new character,
ATF Special Agent Phillip Caffey:

NCIS: Season 12 Episode 20 “No Good Deed”

**Playing a new character,
Naval Intelligence Commander Downey:

NCIS: New Orleans: Season 3 Episode 19 “Quid Pro Quo”

Screen Shot 2019-04-18 at 5.21.12 PM 1
CBS

Terry O’Quinn (Thomas Boone on JAG)

**Playing a new character, Colonel Will Ryan:

NCIS: Season 1 Episode 15 “Enigma”

Screen Shot 2019-04-18 at 5.28.59 PM
CBS

Steven Culp (Clayton Webb on JAG)

**Playing a new character, Commander William Skinner:
NCIS: Season 5 Episode 6 “Chimera”

Screen Shot 2019-04-18 at 5.25.37 PM
CBS

Meta Golding (Tali Mayfield on JAG)

**Playing a new character, Jess Traynor:
NCIS: Los Angeles: Season 2 premiere “Human Traffic”

Screen Shot 2019-04-18 at 5.23.22 PM
CBS

David Andrews (Gordon Cresswell on JAG)

**Playing a new character, U.S. Secretary of Defense Errol Coyne:
NCIS: Season 13 premiere, “Stop the Bleeding”

The Seventh Child
Ron P. Jaffe/CBS

Alicia Coppola (Lieutenant Commander Faith Coleman on JAG)

NCIS:

Season 1 Episode 18 “UnSEALed”

Season 2 Episode 7 “Call of Silence”

Season 2 Episode 21 “Hometown Hero”

**Playing a new character, FBI Agent Lisa Rand:
NCIS: Los Angeles:
Season 2 Episode 5 “Little Angels”

Season 6 Episode 20 “Rage”

Season 7 Episode 19 “The Seventh Child”

Season 9 Episode 17 “The Monster”

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Without JAG, we wouldn't have 16 seasons of NCIS, 10 seasons of NCIS: Los Angeles, and five seasons of NCIS: New Orleans.

JAG introduced its fans to the world of NCIS and Mark Harmon's Leroy Jethro Gibbs and his team through two episodes, "Ice Queen" and "Meltdown," in Season 8.

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Many of these stars of 'NCIS,' 'NCIS: LA' and 'NCIS: New Orleans' left with open-ended story lines.

Since then, some of the actors from the original series have appeared on the spinoff and its spinoffs, NCIS: LA and NCIS: New Orleans. Sometimes they've reprised their original roles. Other times, they've played new characters, even though all four shows share a universe.

And now, David James Elliott (Harmon Rabb Jr.) and Catherine Bell (Sarah "Mac" MacKenzie) will be reprising their JAG roles on NCIS: Los Angeles in the final two episodes of Season 10.

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Is 'NCIS: LA' Setting Up Season 10 to Be Its Last?

The March 31 episode had fans buzzing that this could be the CBS series' final run.

Click through the gallery above to see the other JAG actors who have appeared on one of the NCIS shows.