In December 2005, The Stage newspaper listed Tennant at #6 in its "Top Ten" listing of the most influential UK television artists of the year, citing his roles in Blackpool, Casanova, Secret Smile and Doctor Who.
David grew up in Ralston, Renfrewshire, where his father was the local minister, and later Moderator of the General Assembly of the Church of Scotland.
At the age of three, David told his parents that he wanted to become an actor, largely because of his early enjoyment of Doctor Who.
Moving to London in the early 1990s, Tennant lodged with comic actress and writer Arabella Weir, with whom he became close friends and later godfather to one of her children.
He appeared as a guest in her spoof television series Posh Nosh.
His first full-length outing as the Doctor was a 60-minute special, The Christmas Invasion, which was broadcast on Christmas Day 2005, and followed by Attack of the Graske, a special interactive story available to BBC Red Button subscribers.
He was also seen in early December in the ITV drama Secret Smile.In March 2009 he gave a demonstration of his knowledge of the franchise during a mock edition of Mastermind for the BBC's Comic Relief Red Nose Day telethon.He has often expressed enthusiasm about fulfilling his childhood dream.Finally the confirmation Whovians have been waiting for.While appearing at a Wizard World event in North Carolina, former “Doctor Who” star David Tennant cleared up an issue that’s been nagging at fans for years.With Eccleston's announcement on 30 March that he would not be returning for a second series, the BBC confirmed Tennant as his replacement in a press release on 16 April.