Cannibal! The Musical is a 1993 American musical Western black comedy film directed, written, produced, co-scored by and starring Trey Parker in his directorial debut while studying at the University of Colorado at Boulder, before reaching fame with South Park alongside his friend Matt Stone who also stars in and produced the film. It is loosely based on the true story of Alfred "Alferd" Packer and the sordid details of the trip from Utah to Colorado that left his five fellow travelers dead and partially eaten. Trey Parker stars as Alferd Packer, with frequent collaborators Stone, Dian Bachar, and others playing the supporting roles.