This is Taron Egerton's third movie where Elton John played a role. First movie was 'Sing' where Egerton sang Elton John's "I'm Still Standing." The second time, Elton John is co-starred in Egerton's 'Kingsman: The Golden Circle.' In this film, Egerton plays his own version of Elton John.
Prior to this film, Justin Timberlake was in talks to star in an Elton John biopic. Timberlake was hand-picked by Elton John to portray him in the music video for his single "The Train Don't Stop Here Anymore."