Film Director: Robert Rodriguez Producer: Ilya Salmanzadeh, Max Martin Associated Performer: Oscar Holter, Rickard Goransson, Peter Carlsson, Karl Olandersson, Stefan Persson, Savan Kotecha Film Producer: Cecilia Conti Studio Personnel: Sam Holland, Serban Ghenea Composer Lyricist: Demi Lovato Unknown: John Hanes, Staffan Findin, Tom Coyne, Jonas Thander