NCIS Butterfly Effect (Season 20, Episode 16)
TV-14
TV Episode | Action, Crime, Drama

NCIS

Butterfly Effect (Season 20, Episode 16)

TV-14

TV Episode | Action, Crime, Drama

The NCIS team starts to investigate on who is responsible for a potential bio terror attack at a strip mall parking garage.

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Cast	+ Add Cast
18 cast members

Name	Known for
Sean Murray Timothy McGee Timothy McGee See fewer	Hocus Pocus (1993)
Wilmer Valderrama Nick Torres Nick Torres See fewer	That '70s Show (1998)
Katrina Law Jessica Knight Jessica Knight See fewer	Arrow (2012)
Brian Dietzen Jimmy Palmer Jimmy Palmer See fewer	From Justin to Kelly (2003)
Diona Reasonover Kasie Hines Kasie Hines See fewer	NCIS (2003)
David McCallum Donald Mallard (credit only) Donald Mallard (credit only) See fewer	The Great Escape (1963)
Rocky Carroll Leon Vance Leon Vance See fewer	Crimson Tide (1995)
Gary Cole Alden Parker Alden Parker See fewer	Talladega Nights: The Ballad of Ricky Bobby (2006)
Jamie Collins Dorothy Quinlan (as Julianne Collins) Dorothy Quinlan (as Julianne Collins) See fewer	NCIS (2003)
Brigid Brannagh Senator Constance Miller Senator Constance Miller See fewer	Army Wives (2007)
Sonny Valicenti Nate Billings Nate Billings See fewer	Mindhunter (2017)
Tina Huang Captain Boggs Captain Boggs See fewer	Rizzoli & Isles (2010)
Al Rodrigo Police Captain Martinez Police Captain Martinez See fewer	Last Rites (1988)
Jonathan Charles Petty Officer Sheehan (as Johnny Jay Lee) Petty Officer Sheehan (as Johnny Jay Lee) See fewer	Rutherford Falls (2021)
Dominic Pace George Barlow George Barlow See fewer	NCIS (2003)
Jimmy Walker Jr. Former Sgt. William Jolson Former Sgt. William Jolson See fewer	Black Dynamite (2009)
Greg Benson Phillip Legrand Phillip Legrand See fewer	Lessons in Chemistry (2023)
Mircea Oprea Metro Police Officer Cole (uncredited) Metro Police Officer Cole (uncredited) See fewer	NCIS (2003)