Special Guest Stars Matt Ryan as John Constantine Guest Stars Adam Tsekhman as Agent Gary Green Amitai Marmorstein as Vincent John Murphy as Gordon Gilchrist Co Starring Alexander J. Baxter as Mummy Adrian Petriw as Friedrich "Rick" Jaycie Dotin as Tammy Kiomi Pyke as Audience #2 Mike Desabrais as Ze Surgeon Dale Willman as Audience #1 Ryan Moss as Guard Dolly K. Wyatt voices Narrator