Jessica Tuck as Chris (voice)

Chris Young as Rob (voice)

Roger Kabler as Radio (voice)

Deanna Oliver as Toaster (voice)

Eric Lloyd as Blanky (voice)

Thurl Ravenscroft as Kirby (voice)

Andy Daly as Murgetroid (voice)

Jonathan Benair as Jim Bob (voice)

Timothy Stack as Lampy (voice)

Andy Milder as Ratso (voice)

Alfre Woodard as Maisie (voice)

Danny Nucci as Alberto (voice)

Eddie Bracken as Sebastian (voice)

Jay Mohr as Mack (voice)

Kevin Meaney as Computer (voice)

Victoria Jackson as Mouse (voice)

Eddie Deezen as Charlie (voice)

Brian Doyle-Murray as Wittgenstein (voice)

Paddi Edwards as Lab Computer (voice)

Ross Mapletoft as Modem (voice)

Marc Allen Lewis as Security Guard (voice)

Laurel Green as Campus Student (voice)

Aretha Franklin as Homebuilt Computer / Singer (voice)

Anndi McAfee as Little Girl (voice)

Neil Ross as Security Camera / Police Man (voice)

Roz Ryan as Computer Parts / Singer / Additional Voices (voice)

Linda Harmon as Singer (voice)