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TV and FilmMark will narrate and executive produce the new spin-off series
The prequel series to the flagship NCIS will focus on the character of Leroy Gibbs The pair first met on the set of Chicago Hope in 1996 Mark Harmon is set to narrate the upcoming prequel Mark left the drama in 2021 The Dr. Jimmy Palmer actor teased what's to come The former actress is known and loved for playing Abby Sciuto in NCIS Stars Gary Cole, Wilmer Valderrama, Sean Murray, and Katrina Law make appearances The Emmy-nominated actor is internationally recognized for his portrayal of Leroy Jethro Gibbs in NCIS NCIS returns to the screen with season 21 on February 12 The father-son-duo are collaborating on NCIS: Origins The actor has teamed up with his son Sean Harmon to produce a new NCIS spin-off The actor played Leroy Jethro Gibbs from 2003-2021 The former NCIS actor starred as Leroy Jethro Gibbs for almost 20 years The former 'Leroy Jethro Gibbs' actor has been married for 36 years