Directed by Jamie Mitchell   Juli Murphy   Bert Ring   Steve Socki   Tuck Tucker   Written by Craig Bartlett   Joe Ansolabehere   Steve Viksten   Jonathan Greenberg   Rachel Lipman   Peter Burns   Cast Toran Caudell ... Arnold (voice) Francesca Marie Smith ... Helga Pataki (voice) Jamil Walker Smith ... Gerald Johanssen (voice) (as Jamil W. Smith) Dan Castellaneta ... Arnold's Grandpa / Jolly Olly Man (voice) Tress MacNeille ... Arnold's Grandma / Harold's Aunt (voice) Sam Gifaldi ... Sid / Iggy (voice) Justin Shenkarow ... Harold Berman (voice) Christopher Castile ... Eugene Horowitz (voice) (as Christopher J. Castile) Lou Rawls ... Harvey (voice) James Keane ... Marty Green (voice) Quinton Flynn ... Man #1 (voice) (as Quintin Flynn) Christine Ebersole ... Lana Vail (voice) Dom Irrera ... Ernie Potts (voice) Craig Bartlett ... Brainy / Radio DJ (voice) Steve Viksten ... Oskar Kokoshka (voice) Baoan Coleman ... Mr. Hyunh (voice) Produced by Joe Ansolabehere   Craig Bartlett   Geraldine Clarke   Melinda Wunsch Dilger   Mary Harrington   Richard Leroy   Michael Lessa   Jamie Mitchell   Bob Nesler   Kathrin Seitz   Tami Sloan Tsark   Steve Viksten   Barbara Wright   Original Music by Jim Lang

Additional Info Premiere: November 04, 1996 DVD Release: August 21, 2008 Country: Distributor: Shout! Factory Websites: Production Companies Nicktoons Productions Nubian Nights Worldwide Games Animation (seasons 1-3) Nickelodeon Animation Studios (seasons 4-5) Nickelodeon Network Nicktoons Productions (1996-2004) Snee-Oosh Productions Distributors Nickelodeon Network   (1996-2004) (USA) (TV) CBS All Access   (2020) (USA) (video) (VOD) CBS   (2001) (USA) (TV) Nickelodeon   (USA) (TV) Paramount Home Entertainment   (1997) (USA) (VHS) Paramount Home Entertainment   (2001) (USA) (DVD) Shout! Factory   (2011) (USA) (DVD) (season one) Shout! Factory   (2012) (USA) (DVD) (Season Two, Parts One and Two) Rating Stats Overall Rating -- / 10 Our Rating -- / 10 Your Friends -- / 10 Male Users -- / 10 Female Users -- / 10 Site Ranking #2,846 / 21,061 Site Ranking