David John Tennant is a Scottish actor. He is known for portraying the Doctor in Doctor Who, headlining the series as the Tenth Doctor from 2005–2010, and returning as the Fourteenth Doctor in 2023. His other notable screen roles include Barty Crouch Jr. in Harry Potter and the Goblet of Fire (2005), DI Alec Hardy in Broadchurch (2013–2017), Crowley in Good Omens (2019–2026), and various fictionalised versions of himself in Staged (2020–2022). Tenth Doctor: 25 December 2005 – 1 January 2010. First regular appearance: "The Christmas Invasion". Last: "The End of Time" Part Two. Wiki link