Sean Ambrose is a fictional character from the 1996 action film Mission: Impossible. He is portrayed by actor Dougray Scott and serves as the primary antagonist in the movie. Ambrose is a former agent of the Impossible Mission Force (IMF) who turns rogue and seeks to sell a deadly virus for profit. In the film, Ambrose is known for his cunning intelligence and strategic planning. He leads a group of mercenaries and poses a significant threat to the protagonist, Ethan Hunt, played by Tom Cruise. The character's motivations revolve around power and wealth, making him a formidable foe in the high-stakes world of espionage.