 The episode features the only performance in Doctor Who by the Australian singer and actress Kylie Minogue . Executive producer and writer Russell T Davies described her casting as a " very exceptional case " , having written the part of Astrid specifically for Minogue . On its original airdate , " Voyage of the Damned " was watched by 13 @.@ 31 million viewers , the highest viewing figure for Doctor Who since the 1979 serial City of Death and as of December 2015 it still has the highest viewership of any episode since the show 's revival . It was the second most @-@ watched programme of 2007 , beaten only by the episode of EastEnders which aired immediately after it . Critical opinion about the episode was divided ; the writing and Minogue 's performance were both praised and criticised . 
