The actor played Agent Leroy Gibbs for 19 seasons

Mark Harmon, known for his iconic portrayal of Leroy Jethro Gibbs on NCIS, has been caught on camera doing some heavy lifting outside of his Los Angeles home.

NCIS 06x03 || Capitol Offense

Despite rumors that Mark Harmon and Pam Dawber are going through a rough patch, the pair is actually doing better than ever. Harmon recently announced he is taking a break from "NCIS" to work on his marriage. Here's what he meant. So are Mark Harmon and Pam Dawber divorcing?

The latest addition to the NCIS franchise, NCIS Origins, explores Gibbs' formative years and will feature narration by Mark Harmon, the star of the flagship series.

caption: Mark Harmon stars in NCIS on the CBS Television Network. This photo is provided for use in conjunction with the CBS Winter 2005 Press Tour being held in Los Angeles CA. Photo: Monty Brinton/CBS ©2005 CBS Broadcasting Inc. All Rights Reserved copyright:

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"I come from working stock, and I'm proud of that," Mark Harmon tells PEOPLE

Mark Harmon is such an amazing dad to his two kids, Sean and Ty, whom he shares with wife Pam Dawber. Meet the 'NCIS' star's children!

The actor starred on St Elsewhere from 1983 to 1986

VIEWERS were left in shock when Mark Harmon left the lead role in NCIS. After 18 years, his character will no longer be on the long-running CBS drama. Why did Mark Harmon leave NCIS? Mark has left …

Tonight's finale took a major turn and a main character might have died at the hands of a child!

We have loved NCIS ever since it premiered in 2003. Have a look at these bits of trivia we've collected about the show and the amazing cast...'NCIS': 14 Things You Didn't Know About Your Favorite ShowEnjoy!

NEW YORK - MAY 14: Navi C.I.S. cast members Mark Harmon (L) and David McCallum arrive for the "CBS Upfront Previews 2003-2004" May 14, 2003 at Tavern on the Green in New York City. (Photo by Mark Mainz/Getty Images)

NCIS season 21 sends off Ducky Mallard with a tribute that could have been so much better but is hindered by what's happening in the bigger franchise.

Mark Harmon has endeared fans through his numerous roles, but none more so than as Leroy Jethro Gibbs on the hit series NCIS. Harmon has essentially been a star almost his whole life, and from football to commercials to becoming a Hollywood star, he has done nothing but find success and, along the way, has […]

Ozzie’s Girls (1973)

NCIS, the enduringly successful procedural series, is a true TV institution. But will it return for its historic 22nd season? NCIS, which debuted as a JAG

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Mark headed up the show for 18 years as Special Agent Gibbs