I can think of a few examples of newsreaders apparently brought in to add gravitas to shows that didn't deserve it (and which generally died the death pretty quickly).
Nicholas Owen on the dreary TV crimefighters quiz Watching the Detectives.
Kirsty Wark on teatime quiz A Question of Genius (and a few other things).
Jon Snow on Very Dull... er, Very Hard Questions.
Nicholas Owen on the dreary TV crimefighters quiz Watching the Detectives.
Kirsty Wark on teatime quiz A Question of Genius (and a few other things).
Jon Snow on Very Dull... er, Very Hard Questions.