Mackenzie Crook is an English actor, director, comedian and writer best known for his roles in television and film. He gained widespread recognition for portraying Gareth Keenan in the British sitcom The Office (2001–2003) and for his role as Ragetti in the Pirates of the Caribbean film series (2003–2007). He also played Orell in the HBO series Game of Thrones, and the title role of Worzel Gummidge (2019–2022), which he wrote and directed.