* Ewan McGregor as Christian, who sings most of the songs, including "Your Song," "Come What May," and "Elephant Love Medley."
* Nicole Kidman as Satine, who sings "Diamonds Are a Girl's Best Friend," "Like a Virgin," and "The Show Must Go On," among others.
While the movie features many popular songs, the singing voices you hear are actually from:
* Ewan McGregor and Nicole Kidman themselves.
* John Leguizamo as Santiago, who also sings.
* The supporting cast also contributes to the musical numbers.
The movie creatively uses various musical styles and artists in its soundtrack, creating a unique and vibrant musical experience.