British Actor Colin Firth Firth is co-starring in the new romantic comedy, (and holiday feel-good film), Love Actually. Firth is probably best known for his role as Mr. Darcy in the BBC/A&E production of Pride And Prejudice.The film turned him into a heart-throb. He also starred in Bridget Jones's Diary, based on the book of the same name, which borrowed from the storyline of Pride & Prejudice. He played hate/love-interest Mark Darcy. Colin Firth the actor shows up in the book sequel to Bridge Jones's Diary. His other films include Valmont, Another Country, The English Patient, Shakespeare in Loveand Fever Pitch. Firth also wrote a story for the book edited by Nick Hornby, Speaking with the Angel.