Movies:
* Game of Thrones (2011-2019) - Tyrion Lannister (TV Series)
* The Station Agent (2003) - Finbar McBride
* Elf (2003) - Miles Finch
* Death at a Funeral (2007) - Peter
* Finding Neverland (2004) - Charles Frohman
* Pixels (2015) - Eddie "The Fire Blaster" Plant
* The Chronicles of Narnia: Prince Caspian (2008) - Trumpkin
* X-Men: Days of Future Past (2014) - Bolivar Trask
* My Dinner with Hervé (2018) - Hervé Villechaize (TV movie)
* Avengers: Infinity War (2018) - Bolivar Trask
* Avengers: Endgame (2019) - Bolivar Trask (archive footage)
* Three Billboards Outside Ebbing, Missouri (2017) - Dixon
* Cyrano (2021) - Cyrano de Bergerac
* The Thick of It (2005-2012) - Malcolm Tucker (TV series)
* I Think We're Alone Now (2018) - Del
Television:
* Game of Thrones (2011-2019) - Tyrion Lannister (TV Series)
* The Thick of It (2005-2012) - Malcolm Tucker (TV Series)
* Penelope (2006) - The Wolf (TV movie)
* Knightfall (2017-2019) - Narrator (TV series)
* The Adventures of Tintin (2011) - Thomson (TV Series)
* The Wrong Mans (2013) - Narrator (TV series)
* Ice Age: Collision Course (2016) - The Scratte-inator (voice)
* The Little Prince (2015) - The Fox (voice)
This is not an exhaustive list, but it includes some of Peter Dinklage's most well-known and critically acclaimed roles. He has also appeared in various other film and television projects throughout his career.