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

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

Sean Murray (Timothy McGee) took the lead spot previously held by Harmon .

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: