Ncis Season 20 Intro (opening Credits) Online

The marked a historic shift for the series, primarily due to the permanent removal of Mark Harmon (Leroy Jethro Gibbs) from the intro for the first time in the show's 20-year history. Key Cast Changes & Billing Order

Sean Murray and Wilmer Valderrama took over the "Previously on NCIS" voiceover line. NCIS Season 20 Intro (Opening Credits)

After Murray, the order followed with Wilmer Valderrama (Nick Torres), Katrina Law (Jessica Knight), Brian Dietzen (Dr. Jimmy Palmer), and Diona Reasonover (Kasie Hines). Special Billing: The marked a historic shift for the series,

Following Harmon's exit in early Season 19, the Season 20 credits established a new hierarchy: Jimmy Palmer), and Diona Reasonover (Kasie Hines)

The iconic theme composed by Brian Kirk remained the show's musical signature.

Shared by David McCallum (Dr. Donald "Ducky" Mallard) and Rocky Carroll (Leon Vance). "And" Credit: Awarded to Gary Cole (Alden Parker). Audio & Visual Updates