Beloved genre king Bruce Campbell announced today that he will play a role in producer/director Sam Raimi’s eagerly anticipated Wizard of Oz prequel Oz, the Great and Powerful. What that role will be remains a mystery—even to Campbell.

He tweets:

I. Am. In. Oz. Sam Raimi refuses to tell me what character I will portray. Just know that the role is PIVOTAL.

Oz, the Great and Powerful tells the tale of how a lost snake oil salesman and illusionist (James Franco) defeats evil witches Theodora (Mila Kunis) and Evanora (Rachel Weisz) with the help of their sister Gilda (Michelle Williams) to rule the land of Oz.

Campbell will also make a cameo in Ghost House Pictures upcoming remake of The Evil Dead, the 1981 cult-classic film that launched Campbell and director Raimi’s careers. The duo are producing the redo with partner Rob Tapert. Uruguayan filmmaker Fede Alverez will direct from a script by Diablo Cody.