Directed by Steve Ressel Written by Jhonen Vasquez   Rob Hummel   Cast Richard Steven Horvitz ... Zim / Security Guard #2 (voice) Rikki Simons ... GIR / Security Guard #1 / Ice Cream Kid Scream (voice) (as Rosearik Rikki Simons) Andy Berman ... Dib / Irken (voice) Melissa Fahn ... Gaz / Crowd Walla (voice) Rodger Bumpass ... Professor Membrane (voice) John de Lancie ... Agent Darkbootie (voice) Kevin McDonald ... Almighty Tallest Purple / Crowd Walla (voice) Ted Raimi ... Skoodge / Holographic Alien Head (voice) Jhonen Vasquez ... Computer / NASA Screamer / Courtney Scream (voice) (as Mr. Scolex) Fred Tatasciore ... Janitor / Mission Director (voice) Wally Wingert ... Almighty Tallest Red / Nasa Lackey / Human #1 (voice) Produced by Monique Beatty   Mary Harrington   Steve Ressel   Jhonen Vasquez   Original Music by Kevin Manthei

Additional Info Premiere: April 05, 2002 DVD Release: November 21, 2006 Country: Distributor: Anime Works Websites: Production Companies Nicktoons Productions Distributors Nickelodeon Network   (2001-) (World-wide) (all media) Media Blasters   (2004) (USA) (DVD) Anime Works   (2004) (USA) (DVD) CBS All Access   (2020) (USA) (video) (VOD) Nickelodeon   (USA) (TV) Rating Stats Overall Rating -- / 10 Our Rating 6.4 / 10 Your Friends -- / 10 Male Users 6.4 / 10 Female Users -- / 10 Site Ranking #3,450 / 20,875 Ratings Breakdown Perfect 2 total ratings Site Ranking