Wouldn't it be more conventional for this to be called Newscaster 2 (Frontier in Space) or Newscaster 2 (Doctor Who and the Space War), considering that he doesn't actually appear in the TV story?
Talk about it here.
Behind the scenes Edit
Though the character was cast for episode six of Frontier in Space, director Paul Bernard made a last-minute decision to use only the footage involving Congressman Brook. Thus the part gets a mention in the novelisation, as well as a credit on-screen and in Radio Times, but makes no actual appearance in televised Doctor Who. The novelisation makes no distinction, incidentally, between this newscaster and the one used in part one; it is possible, therefore, to believe that this character doesn't exist at all in any form of Doctor Who.