"NCIS: Origins" honors David McCallum in a tribute episode Oct. 28 featuring young "Ducky" Mallard's return. USA TODAY gets ...

In PEOPLE's exclusive clip from the Oct. 28 episode, which is a tribute to the late McCallum, Austin Stowell's Gibbs is ...

"NCIS: Origins" paid tribute to the beloved Donald "Ducky" Mallard in its latest episode, bringing actor Adam Campbell to ...

Adam Campbell’s return to the NCIS universe as young Donald “Ducky” Mallard on NCIS: Origins will pay homage to the OG ...

Dietzen has since taken to Instagram to share a memory of his late co-star as well as an unusual gift from a fan. The 47-year-old revealed that he was moving and found a present of a McCallum action ...

“He always had a way of knowing who I was meant to be.” So says Mark Harmon in the emotional voiceover that caps off the NCIS: Origins serving as a tribute to the late David McCallum, with Adam ...

The original version of the tune “heralds the entrance,” as Campbell puts it, of the now middle-aged Ducky. He comes from DC to Camp Pendleton to investigate whether NIS needs an in-house medical ...

One of the most beloved characters in the NCIS universe is getting the tribute he deserves. This fall, NCIS: Origins will celebrate the late David McCallum with a special episode featuring the return ...

This will be Stowell’s first episode working with Campbell; the actor played young Ducky in four NCIS episodes, and on the mothership, young Gibbs was played by Sean Harmon (who is an exec producer on ...

But arguably the biggest reveal came with learning why Ducky talks to bodies, which we saw the late David McCallum did when ...

NCIS: Origins,” 9 p.m., CBS. This prequel series adds an early version of “Ducky” Mallard, the “NCIS” medical examiner. It also has a nod to David McCallum, who played ...

"NCIS: Origins" did not need to look far for the perfect actor to play young Donald "Ducky" Mallard in a Season 2 tribute to David McCallum, who portrayed the eccentric medical examiner on the ...