David John Tennant (ne McDonald) is a Scottish actor. He is best known for portraying the tenth incarnation of the Doctor in the sci-fi series Doctor Who (2005-2010; 2013). In 2022, he returned to the show as the fourteenth incarnation. His other notable screen roles include DI Alec Hardy in the crime drama series Broadchurch (2013-2017) and its 2014 remake, Kilgrave in the superhero series Jessica Jones (2015-2019), Crowley in the fantasy series Good Omens (2019-present), and various fictionalised versions of himself in the comedy series Staged (2020-2022).

Tennant has worked extensively on stage, including a portrayal of the title character in a 2008 Royal Shakespeare Company production of Hamlet that was later adapted for television. He is also a voice actor, featuring in the animated series DuckTales (2017-2021) as the voice of Scrooge McDuck. In 2015, he received the National Television Award for Special Recognition.