Movies:
* 300: Rise of an Empire (2014) - as Scyllias
* Zero Dark Thirty (2012) - as The Operator
* Killer Elite (2011) - as Davies
* The Hunter (2011) - as Mick
* The Pacific (2010) - as Sergeant "Sully" Sullivan (TV miniseries)
* Captain America: The Winter Soldier (2014) - as Jack Rollins
* The Equalizer (2014) - as Teddy
* The Last Knights (2015) - as Raiden
* Batman v Superman: Dawn of Justice (2016) - as Anatoli Knyazev
* The Coldest City (2017) - as David Percival
* The Meg (2018) - as James "Mac" Mackreides
* Dragged Across Concrete (2018) - as Freddie
* Vanguard (2020) - as "The Wolf"
* The Tourist (2021) - as the assassin
* The Batman (2022) - as Carmine Falcone
* The Clearing (2023) - as Michael
Television:
* The Pacific (2010) - as Sergeant "Sully" Sullivan (TV miniseries)
* The Legend of Tarzan (2003) - as Tarzan (TV series)
* Heartbreak High (1994-1999) - as Shane (TV series)
* The Man from Snowy River (1994) - as Mark (TV series)
* BeastMaster (1999-2002) - as Dar (TV series)
* The Starter Wife (2007) - as Jason (TV series)
* McLeod's Daughters (2001-2009) - as Ryan (TV series)
* Rush (2011-2012) - as Dr. Alex "Mac" MacAllister (TV series)
* Arrow (2012-2020) - as The Count (TV series)
* Agents of S.H.I.E.L.D. (2013-2020) - as The Doctor (TV series)
* Star Trek: Discovery (2017-present) - as Emperor Georgiou (TV series)
* The Witcher (2019-present) - as Borch Three Jackdaws (TV series)
* Vikings (2013-2020) - as The Seer (TV series)
* The Stand (2020) - as Lloyd Henreid (TV miniseries)
This is not an exhaustive list, but it showcases the breadth and depth of his acting career. Callan Mulvey has a strong presence on both the big and small screen, and is well-known for his portrayals of complex and often villainous characters.