Factual

Cast List: N

John Nathan-Turner (cast in 2 episodes, e.g. Self in KTEH Specials: An Interview with John Nathan-Turner)
Barry Newbery (cast as Self in Interviews: Designing the Aztecs)
Colin Newman (cast as Self in Totally Doctor Who (#2.5))
Sydney Newman (cast in 2 episodes, e.g. Self in Creation of the Daleks)
Stephen Nicholas (cast in 2 episodes, e.g. Self in Doctor Who - Blue Peter Special)
Dorka Nieradzik (cast as Self in The Making of Doctor Who)
Hermione Norris (cast as Self in Doctor Who Extra: Kill The Moon)
James North (cast as Self in Totally Doctor Who (#2.7))
John Julius Norwich (cast as Self in Archive Documentaries: Chronicle: The Realms of Gold)
Simon Nye (cast as Self in Arthurian Legend)