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
Astrid Peth Minogue again "like that". In 2008 "The Daily Express" quoted Minogue as saying there had been talk that her character could be reintroduced at a later date. Davies refused to comment when "Doctor Who Magazine" asked him about the rumours regarding Minogue's return to "Doctor Who". Astrid appears in the episode "Voyage of the Damned". She is introduced aboard the starship "Titanic" as a waitress from the planet Sto with a dream of seeing the stars. Meeting the Tenth Doctor aboard "Titanic", she quickly befriends him. She accompanies the Doctor (David Tennant) on a trip organised by "Titanic"'s resident historian,