Robertson was born in the Netherlands to Scottish parents, and grew up in England.
Robertson has appeared in films, including Alfie, The Disappeared, F, Cockneys vs Zombies, and Hammer of the Gods.
Robertson's later include the drama series New Tricks, Scott & Bailey, and the docu-drama I Shouldn't Be Alive.
In March 2021, Robertson reprised his role as Laurence Nightingale in the Doctor Who Spin-off game: The Lonely Assassins, which is a sequel to the 2007 episode he appeared in, "Blink".
This article about a British television actor born in the 1970s is a stub.