Astrid Peth Who Confidential", Minogue describes Astrid as a "dreamer" and that meeting with the Doctor rekindles Astrid's desire to explore. Later in his book "A Writer's Tale" Davies discussed with co-author Benjamin Cook how he had originally named the character "Peth" in a treatment but it bugged him, he later renamed her to "Astrid" giving the reason that it "...sounds more spacey, more like a futuristing Doctor's companion". Despite Davies stating that the companion in "Voyage of the Damned" was "always going to [be] a one-off...little knowing that it would be Kylie Minogue", he has since stated that he would cast
The Runaway Bride (Doctor Who) orchestra performing many of the music themes from Doctor Who, including the Dalek music and Rose's theme. The clip was leaked online shortly after the event and the concert and clip were shown earlier before the episode officially aired on Christmas Day on a "Doctor Who Confidential" special at 1:00 p.m. Sarah Parish has co-starred with David Tennant in two other BBC One dramas: "Blackpool" (2004) and "Recovery" (2007). Catherine Tate co-starred with Tennant in a sketch for Comic Relief (2007) which made several "Doctor Who" references. Catherine Tate returned in series 4, reprising her role as Donna Noble as