Cynthia Addai-Robinson (born January 12, 1985) is an English-American actress. She is known for her roles as Naevia in the television series Spartacus, DC Comics character Amanda Waller in The CW TV series Arrow, and Nadine Memphis in the USA Network series Shooter. She plays the role of Tar-Míriel on the Amazon Prime The Lord of the Rings series The Rings of Power.
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Known For

The Accountant²
Marybeth Medina
2025

The People We Hate at the Wedding
Eloise
2022

The Lord of the Rings: The Rings of Power
Míriel · (12 episodes)
2022

The Lord of the Rings: The Rings of Power Global Fan Screening
Queen Regent Míriel
2022

Always and Forever
Nicole
2020

Stumptown
Violet · (1 episode)
2019

The Kelly Clarkson Show
Self · (1 episode)
2019

Shooter
Nadine Memphis · (31 episodes)
2016

The Accountant
Marybeth Medina
2016

Chicago Med
Dr. Vicki Glass · (9 episodes)
2015

Texas Rising
Emily West · (5 episodes)
2015

Power
Ramona Garrity · (15 episodes)
2014

Jodi Arias: Dirty Little Secret
Sheri
2013

King & Maxwell
Megan Ainsley · (1 episode)
2013

Star Trek Into Darkness
San Francisco Woman
2013

Arrow
Amanda Waller · (17 episodes)
2012

Colombiana
Alicia
2011

Spartacus
Naevia · (20 episodes)
2010

Edgar Floats
Dana
2010

FlashForward
Debbie · (5 episodes)
2009

FlashForward
Nurse · (1 episode)
2009

NCIS: Los Angeles
Flight Attendant #1 · (1 episode)
2009

Mississippi Damned
Milena
2009

Life
Stephanie · (1 episode)
2007

Law & Order: Trial by Jury
Lillian Beaudriville · (1 episode)
2005

CSI: Miami
Courtney Rinella · (1 episode)
2002

Law & Order: Criminal Intent
Jeanette · (1 episode)
2001

CSI: Crime Scene Investigation
Michelle Rowlands · (1 episode)
2000