Jan. 6 (UPI) -- Mark Harmon has signed on to executive produce and narrate NCIS: Origins, a new drama set in 1991 and following a young Leroy Jethro Gibbs, the character Harmon played on the flagship NCIS series for 19 seasons.
No on-screen casting for the military investigation series has been announced yet.
The show is expected to premiere in the 2024-25 television season.
"We are elated and honored to continue the expansion of the NCIS universe in such a unique and unexpected way," Amy Reisenbach, president of CBS Entertainment, said in a statement Friday.
"Viewers can look forward to Mark Harmon returning to CBS to narrate the complex and mysterious backstory of Leroy Jethro Gibbs' early years in NCIS: Origins, which will build on the rich legacy of this character while reintroducing fan-favorite characters and meeting new ones."
Season 21 of NCIS is slated to premiere in February.
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