While it was previously announced that Harmon would return as older Gibbs to narrate the series, NCIS: Origins co-showrunner ...

This series is actually his brainchild and the person we have to thank for putting more Gibbs in our lives! Actor Austin Stowell will take up the honor of the distinguishable Jethro Gibbs. Stowell is ...

NCIS: Origins has been confirmed to feature an appearance from Mark Harmon as Leroy Jethro Gibbs, with fans set to see the ...

NCIS: Origins isn't just exploring Gibbs when he was younger — the prequel also features Mark Harmon reprising his role as ...