Gregory Owen Powell (born May 13, 1954) is a British stuntman, stunt coordinator, actor and 2nd unit director nominated for an Emmy Award for his work on Band of Brothers. He is also known for his work in Indian films. He was also the stunt coordinator for all eight Harry Potter movies and Avengers: Age of Ultron.

Powell has worked on a variety of films in the last five decades, including - The Bond Films, Pirates Of The Caribbean, Lord of the Rings, Hitman’s Bodyguard, Fast and the Furious, Avengers, Superman, Indiana Jones, and Harry Potter.