David Van Horn is a New Zealand actor whose career spans more than two decades across film, television, and theatre. He is best known internationally for playing the Dragon Gunship Gunner in Avatar (2009). His television work includes core roles in American Playboy: The Hugh Hefner Story (2016–2018), Legend of the Seeker (2008–2009), Go Girls (2009), Shortland Street (2012), The Brokenwood Mysteries (2014), Power Rangers Samurai (2011–2012), Power Rangers Beast Morphers (2019), Sweet Tooth (2021–2024), Cowboy Bebop (2021), The Wilds (2020), and The Ridge (2025). His filmography includes: Avatar (2009) (Zoe Saldaña, Sam Worthington); Sione's Wedding (2006) (Sione Tuitu, Shayne O'Sullivan); Predicament (2010); Sione's 2: Unfinished Business (2011) (Sione Tuitu, Rita Ora); Housebound (2014) (Rita Ora, Sione Tuitu); Heart Eyes (2025) (Owen Joyner, Aubrey Plaza).