Ann Emery, who originated the role of Grandma when "Billy Elliot the Musical Live" aired in 2005, recently retired from playing the role at the age of 84 having worked with all 39 London Billy Elliots (2014).
Liam Mower who plays Older Billy in the Dream Ballet was one of the original Billy's when it first opened and can be heard singing the role on the Original London Cast recording.
Tom Holland (Spider-Man) found fame playing Billy Elliot and appears as "Former Billy" in this production.
Elliott Hanna (Billy) and Zach Atkinson (Michael) performed the roles of Billy and Michael for the last time on March 7, 2015.