The film stars Tye Sheridan, Olivia Cooke, Ben Mendelsohn, Lena Waithe, T.J. Miller, Simon Pegg, and Mark Rylance.

[3][4] However, a year later, Williams exited from the project, in favor of scoring The Post (2017),[5] another Spielberg film, which had similar post-production schedules as Ready Player One.

[10] At Spielberg's request, Silvestri references his own music from Back to the Future within the film's score,[11] as well as quoting music written by other composers including Max Steiner's theme from King Kong, Akira Ifukube’s main theme from Godzilla, and the score composed by Wendy Carlos and Rachel Elkind from The Shining.

He designed a great way to find a new parent for this child that he could no longer care for.… And he found someone pure of heart, who loved the good things about the OASIS just as he did.

Throw in the fact that there’s a killer thematic base and you get a spectacularly satisfying experience which will bring a smile to the face of anyone who grew up with scores like this.

"[14] Jonathan Broxton wrote "Much like the films it is referencing, Ready Player One is a piece of pure entertainment, where every visual reference, every throwaway character cameo, and every musical homage, took me back to those summers where I would sit wide-eyed in a darkened room, enraptured by the silver screen, loving the movies of Steven Spielberg and Robert Zemeckis, and the music of Williams and Goldsmith and Horner and, yes, Alan Silvestri.

"[15] Mfiles.com wrote "Much as it's tempting to write off Ready Player One as a mere wallow in nostalgia, the movie does have a big heart, championing a period in history that gave rise to a rich plethora of games, music, literature and cinema.

In his first collaboration with Spielberg, Silvestri has delivered a cracking blockbuster score, and should John Williams bow out in the not-too-distant future, it's clear exactly who the director should call.

His collectors have been waiting years for him to crank out a score with the personality and size of Back to the Future, Judge Dredd and Van Helsing, Ready Player One is that appropriately nostalgic resurrection.