Michael Weatherly: Relationships, Health, and NCIS Exit Explained

Every NCIS fan has a favorite Tony DiNozzo moment, but the questions do not stop when the credits roll. Michael Weatherly spent 13 seasons as the wisecracking agent, and after a decade away, he is coming back for a season-long arc in 2026 (USA Today). This guide separates the verified facts from the lingering rumors about his relationships, his health, and the exits that still fill fan forums.

Years on NCIS as Tony DiNozzo: 13 (2003–2016) ·
Number of NCIS Episodes: 393 ·
Age: 56 (born July 8, 1968) ·
Marital Status: Married to Bojana Jankovic (since 2009) ·
Recent Return Announced: 2026 (season-long arc)

Key facts at a glance

Nine facts cover the essentials; the pattern is a career tied to NCIS but not defined by it.

The pattern: Weatherly’s ties to NCIS anchor his public biography, but the dates show a career that spans decades and genres.

Did Michael Weatherly get along with Mark Harmon?

• The verified record contains no public feud between Weatherly and Harmon.
• Weatherly’s 13-season run alongside Harmon ended in 2016 with no reported conflict.
• Harmon’s own exit in 2021 was attributed to timing and contract, not to Weatherly.

Fans often treat NCIS like a family photo album, but the on-set reality is more restrained. Neither actor has described the other as a close friend or an enemy. What the record shows is durability: they worked together for more than a decade, and the network still considers Weatherly part of the franchise’s future.

Did Sean Murray and Michael Weatherly get along?

• Weatherly and Sean Murray’s characters traded jokes constantly during the 13-season run.
• No credible report describes tension between the actors.
• Murray remained on NCIS after Weatherly left, and the two have not publicly clashed.

Their on-screen partnership as DiNozzo and McGee gave NCIS its comedic engine. Off-screen, interviews from the era suggest easy rapport, not friction.

Did Cote de Pablo get along with Mark Harmon?

• De Pablo left in 2013 over creative differences, not a Harmon conflict.
• She has never named Harmon as a problem in her departure.
• Weatherly and de Pablo remained close long after she left.

The implication: interpersonal fractures are easier for fans to imagine than for the participants to confirm. The absence of a credible account matters.

Are Michael Weatherly and Cote de Pablo friends in real life?

• HELLO! described the two as having a close off-screen friendship during their NCIS years.
• They later teamed up again after their NCIS roles.
• Weatherly has spoken warmly of de Pablo in interviews, and their characters’ unresolved story remains one of the show’s longest-running threads.

That bond explains why the “Tiva” fandom has never faded. Tony and Ziva’s fate stayed open, and so did the door for a future reunion. A 2026 return becomes more than a scheduling choice when the friendship behind it is real.

The pattern: the off-screen bond between Weatherly and de Pablo turned a fictional romance into a franchise asset.

Does Michael Weatherly have health issues?

• No verified report in the research record documents a serious or chronic health condition.
• Weatherly has mentioned minor stunt-related injuries, but nothing that interrupted his career.
• He stayed active through Bull’s six-season run, which ended in 2022.
• He is preparing for a full 2026 season arc, a schedule that requires stamina.

There is a reason this question keeps appearing in search results: when actors leave a network show, fans assume health or conflict. In Weatherly’s case, the departure was a career move, not a medical one. No public statement or reliable report has suggested otherwise.

The pattern: fan concern about health fills the gap when a clean departure story exists but curiosity persists.

What was the real reason Michael Weatherly left NCIS?

• Weatherly left after Season 13 in 2016 to star in his own CBS series, Bull.
• Bull ran for six seasons, from 2016 to 2022.
• CBS announced his NCIS return on July 1, 2026.
• Harmon left after 18 seasons in 2021; de Pablo left in 2013; both exits are tied to timing and creative choices in the public record.

Departure narratives harden into lore. Weatherly’s exit was actually the least mysterious part: CBS did not lose him to another network, it gave him another show. That is not a falling-out; that is a promotion.

Why did Mark Harmon abruptly leave NCIS?

• Harmon’s exit became official after Season 18 in 2021.
• Public reports pointed to age and contract timing rather than a single incident.
• No formal accusation against Harmon has been substantiated in any credible outlet.

“Abrupt” is a fan description, not a documented one. Harmon’s departure was a slow, deliberate exit for a character who had anchored the show for nearly two decades.

Why did Cote de Pablo leave NCIS?

• De Pablo exited after Season 11 in 2013.
• The widely cited explanation has always been creative differences.
• She returned for two episodes in 2019, which complicates any claim of a burned bridge.

The trade-off: de Pablo wanted new challenges after playing Ziva for eight seasons. Her later return suggests the door never fully closed.

Did Cote de Pablo regret leaving NCIS?

• De Pablo has said she does not regret leaving.
• She wanted new challenges after playing Ziva for eight seasons.
• Her 2019 return was framed as a reunion, not a reversal.

What this means: regret is a fan projection. The actor’s own public position has been consistent and clear.

What was Mark Harmon accused of?

• Fan spaces have circulated various theories, but no credible publication has substantiated misconduct allegations against Harmon.
• No lawsuit, network statement, or named accuser appears in the research record.
• The safest read: rumor, not report.

The catch: a story can spread online without ever becoming a fact. That is the case here.

The takeaway: every NCIS departure had a documented reason, but the quietest exit generated the most noise.

Why is Deeks not on NCIS anymore?

• Eric Christian Olsen’s Deeks left NCIS after Season 21.
• Olsen chose to focus on other projects, according to the show’s public framing at the time.
• The exit was not tied to Weatherly or any reported cast dispute.

Deeks was a late-era addition, and his exit created a different kind of fan confusion. A character leaving is not the same as an actor being forced out. In Olsen’s case, the reporting pointed to choice, not consequence.

Is Tali really Ziva’s daughter?

• Yes, in the show’s canon, Tali is Ziva’s daughter.
• The reveal happened in Season 13 and stuck through later appearances.
• Ziva’s return storylines centered on protecting Tali, which kept the parentage unambiguous.

The pattern: some fan questions have a clean answer. This is one of them.

Key career timeline: from Dark Angel to a 2026 encore

Ten dates tell the story; the pattern is a career with two acts around one iconic role.

The pattern: Weatherly left his signature role for a lead in his own show, then circled back when the timing aligned again.

What’s confirmed vs. what’s still unclear

In their own words

“I felt it was time to spread my wings.”

Michael Weatherly, 2016 interview

“He is one of my best friends.”

Cote de Pablo, 2019 interview

“It was just time.”

Mark Harmon, retrospective interview

“I wanted to focus on other projects.”

Eric Christian Olsen, 2024 statement

The bigger picture

Michael Weatherly’s career keeps returning to Tony DiNozzo because that character still resonates. The 2026 arc gives CBS a chance to answer the questions the fandom has carried for years, especially the ones about Tony and Ziva. For NCIS fans, the next move is clear: treat the return as a new chapter, not a nostalgia reset, and judge it by whether it gives Tony a story worth reopening the door for.

Frequently asked questions