Erik (The Phantom of the Opera) other adaptations such as films, television shows, books, and musicals. One such popular literary adaptation is the Susan Kay novel "Phantom" (1990), a fictional in-depth story of Erik from the time of his birth to the end of his life at the Paris Opera House. For the most part, Kay's novel stays in context with Erik's life history as laid down by Leroux, however Kay (as explained in her Author's Note) changes and shapes the character to match her own vision, influenced by other adaptations besides the original. In addition, the ending/resolution is quite different from Leroux's. The story follows
The Phantom of the Opera (1986 musical) up into the light and gazes at it in wonder as the curtain falls ("Finale"). The original casts of the major productions of "The Phantom of the Opera": † The role of Christine Daaé is double-cast in most professional productions. The secondary actress performs the role twice a week (on Broadway, Thursday evening and Saturday matinée). ‡ Three roles (The Phantom, Christine, and Carlotta) were double-cast in the original Las Vegas production, with the two actors in each pair singing alternate performances. Later, Las Vegas casting became identical to that in the Broadway production, with single casting for all characters