Sean Murray (Timothy McGee) took the lead spot previously held by Harmon .
Shared by David McCallum (Dr. Donald "Ducky" Mallard) and Rocky Carroll (Leon Vance). "And" Credit: Awarded to Gary Cole (Alden Parker). Audio & Visual Updates NCIS Season 20 Intro (Opening Credits)
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 (Timothy McGee) took the lead spot
Following Harmon's exit in early Season 19, the Season 20 credits established a new hierarchy: "And" Credit: Awarded to Gary Cole (Alden Parker)
The iconic theme composed by Brian Kirk remained the show's musical signature.
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:
While the core montage style of rapid-fire action clips continued, specific shots were updated to reflect the current team. For instance, a long-standing shot of Gibbs with a handgun was replaced with a clip of Alden Parker watching an explosion.