Mark Darcy is a fictional character from the Bridget Jones's Diary series, created by author Helen Fielding. He is portrayed as a successful barrister with a strong moral compass and a somewhat reserved personality. Mark is known for his intelligence, loyalty, and genuine affection for the protagonist, Bridget Jones. In the series, Mark often contrasts with the more flamboyant character, Daniel Cleaver, highlighting his dependable nature. His character is famously depicted by actor Colin Firth in the film adaptations, which contributed to his popularity and the romantic tension between him and Bridget throughout the story.