However, Harper was committed to episodes of the Central Television drama series Boon, and unavailable to return to Doctor Who.

In 2002, she returned to Doctor Who, playing an alien queen in the audio play Bang-Bang-a-Boom!

She returned to Doctor Who in the aptly titled Tenth Doctor episode, "School Reunion".

Baker returned again to Doctor Who for the 1990s audio cassette releases of "lost" Doctor Who stories.

He would later return to Doctor Who as Merdeen in the 1986 story, The Trial of a Time Lord.

Tate added, "I am delighted to be returning to Doctor Who.

He returned to Doctor Who once again to direct "Cold War", which featured the return of the Ice Warriors.

They subsequently returned to Benny books and other Doctor Who spin-offs, but have kept with the hardback format.

She returned to Doctor Who in the episode School Reunion, the same month this CD was released.