Justin Timberlake was originally meant to play Glee's Mr Schue before Matthew Morrison got the role

‘Glee’s Mr. Schuester Was Originally Written for Justin Timberlake & Not Matthew Morrison, Ryan Murphy Says

Ryan Murphy Reveals Original 'NC-17' Glee Script Had Mr. Schue As ‘Crystal Meth Addict’ -- Played By Justin Timberlake?!

Matthew Morrison's Glee Character Was Originally a Meth Addict