NCIS: Origins: Adam Campbell to Reprise Young Ducky Role in Season 2 Tribute to David McCallum

Adam Campbell is crossing over to NCIS: Origins. The NCIS vet, who has appeared on the mothership in flashbacks as a young Donald Ducky Mallard, will reprise his role in a Season 2 episode that will serve as a special tribute to the late David McCallum. We wanted to do this episode to honor the []