Adam Lambert
as
Emperor Maximus
Anya Taylor-Joy
as
Marla
Daniel Radcliffe
as
Rex Dasher
Ben Diskin
as
Seadog
Adam Lambert
as
Self
Florence Henderson
as
Self
Ed McMahon
as
Self
Martin Short
as
Self
Kenny Ortega
Director
Ryan McCartan
as
Brad Majors
Adam Lambert
as
Eddie
Victoria Justice
as
Janet Weiss
Tim Curry
as
The Criminologist - An Expert
Nelson Mandela
as
Self
Rami Malek
as
Self
Joe Jonas
as
Self - Musician
Adam Lambert
as
Self - Present Queen Singer
Eric Fogel
Director
Carlos Alazraqui
as
Additional Voices
Adam Lambert
as
Machiavillain
Tony Hale
as
Mel / Mr. Donut
Adam Lambert
as
Emile