Hugh Richard Bonniwell Williams (born 10 November 1963), known professionally as Hugh Bonneville, is an English actor. He is best known for portraying Robert Crawley, Earl of Grantham, in the ITV historical drama series Downton Abbey from 2010 to 2015. His performance on the show earned him a nomination at the Golden Globes and two consecutive Primetime Emmy Award nominations, as well as three Screen Actors Guild Awards. He reprised his role in the feature films Downton Abbey (2019) and Downton Abbey: A New Era (2022). He also appeared in the films Notting Hill (1999), Iris (2001), The Monuments Men (2014), and the Paddington films (2014–present).
Source : Wikipedia