Nicholas Briggs (in-universe)

A man who worked at the Dalek Dome as the voice of the Daleks provided a dialogue for the informational Dalek machines from a secure control room, and also had a presence in the Land of Fiction.

Biography
While making an announcement for a lost girl called Bobbie to find the Lost Parent Point, the "voice of the Daleks" was killed by a hypnotised Georgette Gold, to allow the Dalek Simulacrum of Specimen Nine Lambda to hypnotise the rest of the Dalek Dome from his control room. (COMIC: )

Behind the scenes
Though not stated to be such, the man is clearly Nicholas Briggs, a prolific real-world voice actor who has portrayed the voice of the Daleks for both Big Finish Productions and the revival series of Doctor Who.

Information from invalid sources
In the 2020s, a father helped his son place a star with Briggs's face on it atop a Christmas tree. (WC: )