Mark Harmon has lived a storied life, and his childhood looks straight out of a 1950s catalog. The beloved NCIS actor was ...

Mark Harmon's first acting gig was at the discretion of his famous father who already had a stronghold in the industry. While ...

Former NCIS star Mark Harmon recalled his first acting experience, starring in a Kellogg's commercial alongside his father ...

Rodriguez/Getty Mark Harmon wasn't originally too fond of his ... show hosts that his first role was actually beside his father, football and broadcasting icon Tom Harmon. The NCIS star explained ...

Mark Harmon wasn't originally too fond of his acting debut ... he told the daytime talk show hosts that his first role was ...