and its spin-offs and – which has – have amassed a cult following over the years, and viewers are hooked on the gripping storylines and love lives of the characters. 

But when the cameras aren't rolling, many of the shows' beloved stars, including , Mark Harmon, and , head home to their real-life partners, many of whom are also in the public eye. Meet them below…

Eric and Sarah wed in 2012

In , Eric Christian Olsen's character Marty Deeks is married to Kensi Blye, played by Daniela Ruah. But in real life, the actor has been married to actress Sarah Wright since 2012.

The couple met in 2006 on the set of the Fox sitcom . After dating for five years, the two got engaged during a vacation in Mexico in 2011, later tying the knot in 2012 in Wyoming's idyllic Jackson Hole.

Sarah has starred in hit movies like with – in which she played a sorority mean girl – and 2017's in which she starred opposite .

LL Cool J has been married for over 25 years

LL Cool J has starred in as Sam Hanna since the early noughties. Away from the cameras, he has been happily married to his wife Simone Smith since 1995. The two met when LL was a young rapper and dated for eight years before tying the knot.

In 2004, Simone was diagnosed with stage 3 chondrosarcoma after discovering a knot in her leg, and LL was by her side throughout her entire recovery. After a 15-hour surgery and over a two-year recovery process where she had to learn to walk again, Simone has been cancer-free for 15 years.

Speaking of their long-lasting marriage, Simone once told the secret to their success. She said: "Putting God first, we both come from a spiritual background. And compromise, a lot of compromise. Picking your battles; respecting each other."

Daniela is married to her on-screen husband's real-life brother

Daniela's alter-ego Kensi Blye may be married to Eric Christian Olsen's character on , but in real life, she's married to Eric's brother, David Paul Olsen – and he was a huge factor in setting the two up.

"[Daniela] was dating this guy that was awful, and [David] was dating this girl that was awful, and they weren't themselves," Eric explained on in 2014.

After David began work on the show as Eric's stunt double, he set the wheels in motion to bring his on-screen wife and real-life brother together.

"I would say something nice about her to him and then say something to him about her, and they're both like, 'Really? Really? Really?' And that was enough to kinda get them started in conversation, and it became this wonderful relationship," he added . 

Daniela and David married in June 2014, with the actress posting on Twitter at the time: "Just lived the best week of my life; I married my best friend."

Chris O'Donnell

Caroline appeared on with Chris

Since 2009, Chris O'Donnell has starred in as G. Callen. While his character isn't exactly known for being a family man, the actor has been married for over 20 years!

Chris originally met his wife, Caroline Fentress, through her brother Andrew who lived in the same apartment building as Chris in the early 90s. However, it would be three years before he saw her again.

After their next meeting, the couple dated for three years before tying the knot. "I was in the right place earlier than I thought," he previously told . "I would think to myself, 'Could I imagine not marrying her?' And there was just no way."

Caroline is a school teacher but has dabbled in acting. In fact, she appeared alongside her husband in season seven, episode four of

Vanessa Lachey

Vanessa is married to singer Nick Lachey

star Vanessa Lachey has been married to singer since 2011. The couple met in 2006, shortly after Nick's public divorce from , when Vanessa starred in his music video.

Before they tied the knot, Vanessa revealed that they , before they realized they were better together. They wed on Richard Branson's private island, Necker Island, in the British Virgin Islands with 35 of their closest friends and family as guests.

 Alex Tarrant

Alex is married to actress Luci Hare

Alex Tarrant plays Kai Holman on but he's not the only famous face in his household. The New Zealand actor is married to actress Luci Hare, who has starred in and

The couple welcomed their son, Beaumont 'Beau' Tarrant in 2018.

Tori Anderson

Tori and Mitch have been together since 2010

Tori Anderson stars as FBI Agent Kate Whistler in and is in a relationship with NCIS Agent Lucy Tara, but in real life, she's married to a man, her husband, Mitch Myers.

The couple wed in a stunning Caribbean ceremony in January 2018 but have been together since 2010. Mitch has also dabbled in the arts and met Tori on the set of the TV movie . He's also appeared in a few shorts, which he directed, and .

Mark Harmon

Mark's wife is a famous actress

Former star Mark Harmon has been since 1987. They met via mutual friends in the early eighties before tying the knot in an intimate wedding ceremony attended by just a few friends and family members.

Pam had a guest-starring role on NCIS during seasons 18 and 19, playing investigative journalist Marcie Warren, who reached out to Mark's character Agent Gibbs after learning about the events that led to his suspension. She also helped him track down a disturbing serial killer.

Pam's four-episode arc on marked the first time that she and her husband worked together on television. Pam is best known for her roles in eighties comedies and .

Sean Murray

Mark and Carrie married after 11 months of dating

Sean Murray, who plays NCIS Special Agent Timothy McGee, married his wife, Carrie James in November 2005 – 11 months after they first met at a friend's Halloween party.

Opening up about their on the , Carrie said: "We got engaged in August, well I kind of put the heat on him in June, I was like, 'What are we doing? What's going on?'"

The couple decided to marry over Thanksgiving at Lakeside country club so they would always be able to spend their anniversary together over the holiday weekend.

Katrina Law

Katrina's husband is a director, writer and producer

Katrina Law was welcomed to the cast at the end of season 18 and brought back as a series regular portraying Agent Jessica Knight in 2021. In real life, Katrina is married to former actor Keith Andreen, who she met on the set of the TV show in 2010.

The couple dated for three years before they married at a small ceremony in 2013 attended by close friends and family.

Keith has also starred in and the television shows . He is also a director, writer, and producer and worked on the 2018 miniseries .

Brian Dietzen

Brian keeps his relationship very private

Brian Dietzen plays Dr. Jimmy Palmer on . While his character has experienced some family tragedy, in real-life Brian has been happily married to his wife Kelly for the last 20 years. Brian and Kelly, who is reportedly a midwife, first met at a party in 2000 and soon started dating before marrying in 2004.

Not much is known about the couple's relationship as they prefer to keep themselves out of the spotlight.

Wilmer Valderrama

Wilmer and Amanda have yet to set a wedding date

Wilmer Valderrama joined the cast as agent Nicholas Torres in 2016. The actor has had several high-profile relationships over the years, notably with and .

In 2020, he announced his engagement to his girlfriend of eight months, Amanda Pacheco, and on February 15, 2021, they welcomed their daughter, Nakano Oceana. As of yet, they have not revealed a wedding date.

According to her Instagram page, Amanda is a PADI divemaster, an individual licensed to lead recreational scuba diving excursions, and a model.

David McCallum

David with his former model wife, Katherine

David McCallum is probably best known for his role as medical examiner Dr. Donald 'Ducky' Mallard – and he's no stranger to tying the knot.

David's first wife was actor and singer Jill Ireland, who starred in and . His current wife, Katherine Carpenter, was a successful model in the 1960s and starred in campaigns for and .

Michael Weatherly

Michael's wife is an award-winning doctor

Michael Weatherly played Special Agent Anthony DiNozzo on for 16 years before deciding to bow out in 2016. While he never won any awards for his work on the show, the same can't be said for his wife.

Michael has been married to since 2009. Bojana has quite the resume and is a fellow of the American College of Physicians and double board-certified in internal and integrative medicine. She is also trained in functional medicine, nutrition, and mindfulness.

Bojana has received various awards for her work, including several patient satisfaction awards at Cedars-Sinai, Southern California Super Doctors Rising Star in 2016 and 2017, and Top Doctor and Super Doctors recognitions in New York between 2018 and 2022.

Before she met her actor husband and became a doctor, Bojana dabbled in TV and film and worked as a writer and assistant director in her native Serbia on projects including the 2009 Serbian TV series and the 2007 short film

Bojana now often appears in front of the camera as a health consultant and has enjoyed TV stints on and