Created by: Jhonen Vasquez Developed by: Jhonen Vasquez Produced and Directed by: Jordan Renwick Executive Producers: Mary Harrington & Jhonen Vasquez Story by: Jhonen Vasquez Written by: Jhonen Vasquez & Robert Hummell Co-Writers: Eva Elmos & Ed Scharlach Main Title Theme: Michael Tavera Music by: Jhonen Vasquez, Michael Tavera and Mark Tortorici Zim....Billy West Dib.... Andy Berman Gaz.... Melissa Fahn GIR.... Rosearik Rikki Simons Ms. Bitters.... Lucille Bliss Melvin.... Hope Levy Zim's Computer.... Danica Ivancevik Title Narroator.... John Garry Storyboard by: Jordan Renwick & Jhonen Vasquez