NCIS (2003) Cast & Character Guide — No Spoilers | Who's That?
Who plays who in NCIS (2003)? Browse a spoiler-free character guide with photos of every major character and the actors behind them, including Sean Murray, David McCallum, Mark Harmon.
- Timothy McGee — played by Sean Murray
- Dr. Donald 'Ducky' Mallard — played by David McCallum
- Leroy Jethro Gibbs — played by Mark Harmon
- Leon Vance — played by Rocky Carroll
- Jimmy Palmer — played by Brian Dietzen
- Abby Sciuto — played by Pauley Perrette
- Tony DiNozzo — played by Michael Weatherly
- Nick Torres — played by Wilmer Valderrama
- Ziva David — played by Cote De Pablo
- Ellie Bishop — played by Emily Wickersham
- Kasie Hines — played by Diona Reasonover
- Jessica Knight — played by Katrina Law
- Alden Parker — played by Gary Cole
- Jack Sloane — played by Maria Bello
- Jenny Shepard — played by Lauren Holly
- T.C. Fornell — played by Joe Spano
- Clayton Reeves — played by Duane Henry
- Caitlin Todd — played by Sasha Alexander
- Alex Quinn — played by Jennifer Esposito
- Delilah Fielding — played by Margo Harshman