Cast & Guest Stars
NCIS Season 20 Cast & Guest Stars
NCIS Season 20 features a main cast of 7 including Gary Cole, Sean Murray and Wilmer Valderrama, plus 186 guest stars across 22 episodes.
Main Cast
NCIS Season 20 Main Cast
Guest Stars
NCIS Season 20 Guest Stars
NCIS Season 20 features 186 guest stars across its 22 episodes.
Adam Cropper
Adriana Ducassi
as Reyna Vargas
Aixa Clemente
as Nancy
Al Rodrigo
as Police Captain Martinez
Al Sapienza
as Maurice Riva
Alan Rachins
as Bud
Alex Mortensen
as Emmet
Alexander Harris
Aline Elasmar
Amadeo Fusca
as Gun Smuggler
Amanda Clayton
Amber Friendly
as Eden Greyson
Andrew Elvis Miller
as Sam Novak
Andy Marques
as Policeman
Anisha Adusumilli
as Veeda Rajab
Annalisa Cochrane
as Lisa Swenson
Anne-Marie Johnson
as Senator Selena Grayson
Anny Rosario
Austin Cauldwell
Austin Powell
as Floyd
Becca Q. Co
as Gwen Yong
Benjamin Barrett
Beth Fraser
as Reporter #1
Bill Dawes
Billy Miller
as Ezra Moretti
Brandon Papo
as Bobby
Brenda Kate
as Sheila
Brian Thomas Smith
as Larry
Brianna Reed
as Libby
Caleb Smith
as USNPS ISB Special Agent Gage Winchester
Cameron Wong
as Tyler
Carolyn Hennesy
Casey C. Killian
as Patient
Charley Rowan McCain
Chris O'Donnell
as Special Agent "G" Callen
Chris Petrovski
as Lev Trotski
Chris Ufland
as Gus Zawadzki
Christian Barillas
Christy St. John
Collin Campana
as Kenji
Conisha Wade
as Director
Connie Jackson
as Elaine
Damian Joseph Quinn
Danny Royce
as Reporter #2
David Blue
David Meunier
as Wade Cutler
Dean Wil
as Francis
Deanne Lauvin
Deborah Vancelette
as Nurse
Dennis Renard
as Paramedic
Desirée Mee Jung
as Dee Walters
Devika Parikh
as Doctor Saanvi Singh
Dominic Pace
Dustin Seavey
as Larry Sykes
Eli Hernandez
Elias Janssen
as Adam Vargas
Elise Eberle
Elizabeth Bond
as Karen Graham
Elyse Levesque
Erick Carrillo
Ericka Kreutz
as Joann Hipple
Erik Heger
Erik Passoja
as FBI Deputy Director Wayne Sweeney
Francis X. McCarthy
as Roman Parker
Frederick Lawrence
as Officer Mackey
Gil McKinney
Gillian White
Greg Benson
Gregg Binkley
as Bob Stivers
Haley Brooke Walker
as Mila
Ian Fisher
Ian Stanley
Ilia Volok
James Snyder
Jane Carr
Jason Antoon
Jason MacDonald
as John Watts
Jason Manuel Olazábal
as Todd Mercer
Jean St. James
Jeff Boehm
as Prison Detention Officer Otis Glazebrook
Jeremy Glazer
Jesse Conrad
Jessica Gardner
as Olivia Kahn
Jimmy Walker, Jr.
Jody Jaress
as Leora
Joe Chambrello
as Kidnapper
Joe Spano
John Bishop
Johnny Jay Lee
as Petty Officer Sheehan
Jonathan Ohye
as Nigel Yang
Jonny Rios
Julianne Collins
Juliette Goglia
as Evelyn Shaw
Kaipo Schwab
as FBI Assistant Special Agent in Charge Liam McCullers
Karina Noelle Castillo
as FBI Agent Ramirez
Kash Abdulmalik
Kathryn Melton
as Cleaning Lady
KayKay Blaisdell
as Gen Z Girl
Kayla Blake
as Nurse Allegra
Kendra M. Hill
as Nurse #1
Kevin Changaris
Kevin Sizemore
as Stuart Greco
Kyle Eastman
LL Cool J
as Special Agent Sam Hanna
Laith Wallschleger
as Erik Nilsson
Laura San Giacomo
as Doctor Grace Confalone
Lexi Ainsworth
as Holly Lyngos
Lilan Bowden
as Robin Knight
Lisa Costanza
as Landlord
Marem Hassler
as Lena Paulsen
Margo Harshman
Marika Engelhardt
Maritxell Carrero
as Waitress
Mark Atteberry
as Medgar Nash
Mark Bloom
as Dr. Marley
Mark Ciarrocchi
as Raylan Marsh
Mark L. Taylor
Martin Kildare
as Mr. Sharp
Marty Dew
as Daniel Vega
Mary Chieffo
Maxwell Almono
as John Harlan
Menik Gooneratne
as Diya Khatri
Michael Anthony Perez
Michael Garza
Michael Kostroff
Michael McShane
Michael Patrick Thornton
Michael Petrone
Michael Weston
Morrison Keddie
as Boris Popov
Nancy Youngblut
Nicola Posener
Nicole Rainteau
as Kaytlynn
Nikko Austen Smith
as Petty Officer Amanda Grayson
Noah Mills
as Special Agent Jesse Boone
Norman Lehnert
Olivia Negron
as Abuela
Oscar Best
Patrick Cohen
Patrick Labyorteaux
as Olev Kozlov
Patrick Luwis
as Mike
Peter Porte
Rachel Ticotin
Rahvaunia L. Johnson
as Fire Captain
Renée Threatte
Rick Gifford
as State Dept. Special Agent Smith
Rob Welsh
Robert Picardo
as Retired Marine Gunnery Sergeant Dale Harding
Roman Arabia
as Volunteer
Rufino Romero
as Nurse
Ryan Masson
Sadie Stratton
as Renee Watts
Samer Salem
Scott Lawrence
as DEA Agent Raymond Frank
Shane Blades
as Tony
Stephanie Hodge
as Greta Ford
Susan Diol
as Doris Sawyer
Susan Ruttan
Sydney Agudong
as Kelly
Tania Raymonde
Taryn Kelly
Teri Polo
Themo Melikidze
as Yuri Valkov
Tiffany Dion
as Eye-Roll Girl
Tim Rock
Timothy Kennedy
as Skater Dude
Tina Huang
as Captain Boggs
Tony Robinette
Turhan Troy Caylak
as Mr. Jamaah
Vonzell Carter
as Instructor
Warren Sweeney
as Priest
Wida Karim
as Mrs. Jamaah
Zachary Cowan
as Detective Grizz
Zachary S. Williams
Zane Holtz
as NCIS Special Agent Dale Sawyer
FAQ
Frequently Asked Questions
Who is in NCIS Season 20?
The Season 20 main cast is Gary Cole as Alden Parker, Sean Murray as Timothy McGee, Wilmer Valderrama as Nick Torres, Katrina Law as Jessica Knight.
Who are the guest stars in NCIS Season 20?
Notable guest stars in Season 20 include Adam Cropper as Jared Clarkson/Jared Baker, Adriana Ducassi as Reyna Vargas, Aixa Clemente as Nancy, Al Rodrigo as Police Captain Martinez, Al Sapienza as Maurice Riva.
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