Film
* The Lord of the Rings: The Fellowship of the Ring (2001) as Lurtz
* The Lord of the Rings: The Two Towers (2002) as Lurtz
* The Lord of the Rings: The Return of the King (2003) as Lurtz
* The Chronicles of Narnia: The Lion, the Witch and the Wardrobe (2005) as a Dwarf
* The Last Legion (2007) as Romulus
* Clash of the Titans (2010) as Hades' General
* Wrath of the Titans (2012) as Hades' General
* The Last Witch Hunter (2015) as Dolan
* The Lego Movie (2014) as the Pirate Captain (voice)
* The Lego Batman Movie (2017) as the Pirate Captain (voice)
Television
* Game of Thrones (2011-2019) as Dalla
* The Tudors (2007-2010) as Thomas Cromwell
* Merlin (2008-2012) as Gwaine
* Primeval (2007-2011) as Lester
* Robin Hood (2006-2009) as Gisborne
* Spartacus: Blood and Sand (2010) as Tiberius
* Black Sails (2014-2017) as Jack Rackham
* The Last Kingdom (2015-2022) as Father Benedict
* Vikings (2013-2020) as Ragnar Lothbrok (season 5)
* Doctor Who (2005-present) as the Silurian leader (2010)
This list is not exhaustive, but it highlights some of Ian Reddington's most significant and recognizable roles. He has also appeared in numerous other films, TV shows, and video games.
To see a complete list of his work, you can refer to his IMDb profile: [https://www.imdb.com/name/nm0716628/](https://www.imdb.com/name/nm0716628/)