Suggestions by @smashcentury

Paul Dini

as Producer in Tim Burton's Batman: Arkhamverse

Erin Richards

as Katy Perry in Casting Singers

Kirsten Dunst

as Taylor Swift in Casting Singers

Jordan Fisher

as Bruno Mars in Casting Singers

Logan Lerman

as Billy Joel in Casting Singers

Donald Glover

as Michael Jackson in Casting Singers

Ewan McGregor

as Frank Sinatra in Casting Singers

Chris Hemsworth

as Kurt Cobain in Casting Singers

Andrew Garfield

as Ringo Starr in Casting Singers

Freddie Highmore

as George Harrison in Casting Singers

Thomas Brodie-Sangster

as Paul McCartney in Casting Singers

Aaron Taylor-Johnson

as John Lennon in Casting Singers

Aaron Taylor-Johnson

as Rock and Roll Boyfriend in American Idiot

Anna Kendrick

as Extraordinary Girl in American Idiot

Hailee Steinfeld

as Whatsername in American Idiot

Chris Evans

as Favorite Son in American Idiot

Amanda Seyfried

as Heather in American Idiot

Lucas Grabeel

as Tunny in American Idiot

Jim Sturgess

as Will in American Idiot

Billie Joe Armstrong

as St. Jimmy in American Idiot