Complex sentence: For the man with disfigurement, Glazer did not want to use prosthetics; to cast the role, the production team contacted the charity Changing Faces, which supports people with facial disfigurements.
Split into simpler sentences: For the man with disfigurement, Glazer did not want to use prosthetics. To cast the role, the production team contacted the charity Changing Faces, which supports people with facial disfigurements.