Movies:
* The Man Who Knew Too Little (1997) - His first film role, playing a small part as a waiter.
* The Prince & Me (2004) - Starred as Prince Edvard, a role that launched him to international fame.
* Imagine Me & You (2005) - Played the role of "H," a charming musician.
* The Time Traveler's Wife (2009) - Starred as Henry DeTamble alongside Rachel McAdams.
* The Spirit (2008) - A superhero film with Mably playing the villain, The Octopus.
* Love's Kitchen (2009) - A romantic comedy where he plays a chef.
* The Resident (2011) - A psychological thriller where he plays a young doctor.
* The Borrower (2011) - A fantasy film based on the children's book series where he plays a small, friendly creature.
* Death Race 3: Inferno (2012) - An action film set in a futuristic prison where he plays a race car driver.
* The Last Scout (2013) - A western film where he plays a gunslinger.
Television:
* The Beautiful People (2002) - Played a character named "Max" in this British television series.
* The Prince & Me (2004-2008) - Reprised his role as Prince Edvard in the television sequels "The Prince & Me 2: The Royal Wedding" and "The Prince & Me 3: The Princess Diaries".
* The O.C. (2004) - Made a guest appearance as a character named "Volchok" in the popular teen drama.
* CSI: Miami (2008) - Appeared in an episode as a suspect in a crime.
* Primeval (2007-2009) - Played the character of "Connor Temple" in the British science fiction series.
* Being Human (2013-2014) - Appeared as a guest character in the British supernatural series.
* The Magicians (2016-2020) - Had a recurring role as "Quentin Coldwater's" father, "Richard" in the fantasy series.
* The Nevers (2021-present) - Plays the role of "Augustus "Augie" Bidlow" in the fantasy drama.
* The Witcher (2023-present) - Appears as "Bondre" in the fantasy series.
This is not an exhaustive list, as Luke Mably has been in many other projects. It highlights some of his most notable roles and showcases his versatility as an actor.