
Clifford Vivian Devon Curtis (born July 27, 1968) is a New Zealand actor. His film credits include Once Were Warriors (1994), Three Kings (1999), Training Day (2001), Whale Rider (2002), Collateral Damage (2002), Sunshine, Live Free or Die Hard (both 2007), The Dark Horse (2014), for which he won the Asia Pacific Screen Award for Best Performance by an Actor, Doctor Sleep (2019), Avatar, and Avatar: The Way of Water (2022). His television roles include NBC's Trauma, and ABC's Body of Proof and Missing. From 2015 to 2017, he portrayed Travis Manawa on the AMC horror drama series Fear the Walking Dead.
He is the co-owner of the independent New Zealand production company Whenua Films.

Avatar: Fire and Ash
2025 · as Tonowari

Avatar: The Way of Water
2022 · as Tonowari

Meg 2: The Trench
2023 · as Mac

The Meg
2018 · as James 'Mac' Mackreides

Fracture
2007 · as Detective Flores

The Last Airbender
2010 · as Fire Lord Ozai

Live Free or Die Hard
2007 · as Deputy Director Miguel Bowman

Fast & Furious Presents: Hobbs & Shaw
2019 · as Jonah Hobbs

Colombiana
2011 · as Emilio

The Fountain
2006 · as Captain Ariel

Deep Rising
1998 · as Mamooli

Training Day
2001 · as Smiley

The Piano
1993 · as Mana

Doctor Sleep
2019 · as Billy Freeman

Avatar 4
2029 · as Tonowari

10,000 BC
2008 · as Tic-Tic

Last Knights
2015 · as Lt. Cortez

Blow
2001 · as Pablo Escobar