Bradley Walsh

Bradley Walsh (born 4 June 1960 ) played companion Graham O'Brien in series 11 of Doctor Who.

10 years earlier, Walsh played Elijah Spellman, Odd Bob the Clown and the Pied Piper in The Sarah Jane Adventures, in the story The Day of the Clown.

Walsh is the oldest actor to play an ongoing companion on Doctor Who, though Lindsay Duncan and Bernard Cribbins were older when they played one-off companions Adelaide Brooke and Wilfred Mott, respectively.