NCIS Season 20 Characters & Cast — No Spoilers
Every character in NCIS season 20 with photos and the actors who play them, including Sean Murray, Wilmer Valderrama, Katrina Law — spoiler-free, nothing from later seasons.
- Timothy McGee — played by Sean Murray
- Nick Torres — played by Wilmer Valderrama
- Jessica Knight — played by Katrina Law
- Jimmy Palmer — played by Brian Dietzen
- Dr. Donald 'Ducky' Mallard — played by David McCallum
- Leon Vance — played by Rocky Carroll
- Kasie Hines — played by Diona Reasonover
- Alden Parker — played by Gary Cole
- Evelyn Shaw — played by Juliette Goglia
- Jane Tennant — played by Vanessa Lachey
- Yuri Valkov — played by Themo Melikidze
- Militia / Masked Man — played by Anthony Molinari
- Constance Miller — played by Brigid Brannagh
- Nate Billings — played by Sonny Valicenti
- G. Callen — played by Chris O'Donnell
- Sam Hanna — played by LL Cool J
- Elaine — played by Connie Jackson
- Agent Ramirez — played by Karina Noelle Castillo
- Delilah Fielding — played by Margo Harshman
- T.C. Fornell — played by Joe Spano
All seasons of NCIS: full spoiler-free character guide