When they get sucked into a monster movie, the Rugrats must escape the dangerous Reptar.
| Actor | Role |
|---|---|
 E. G. DailyTommy Pickles (voice) | Tommy Pickles (voice) |
 Christine CavanaughChuckie Finster (voice) | Chuckie Finster (voice) |
 Cheryl ChaseAngelica Pickles (voice) | Angelica Pickles (voice) |
 Tara StrongDil Pickles / Mariko (voice) | Dil Pickles / Mariko (voice) |
 Kath SouciePhil DeVille / Lil DeVille (voice) | Phil DeVille / Lil DeVille (voice) |
 Cree SummerSusie Carmichael / Edwin Carmichael (voice) | Susie Carmichael / Edwin Carmichael (voice) |
 Joe AlaskeyGrandpa Lou Pickles / Announcer (voice) | Grandpa Lou Pickles / Announcer (voice) |
| DDavid EcclesReptar / Dactar / Robot Reptar (voice) | Reptar / Dactar / Robot Reptar (voice) |
 Michael DonovanEvil Scientist / Jim Hashimato (voice) | Evil Scientist / Jim Hashimato (voice) |
 Jess HarnellJingle Singer (voice) | Jingle Singer (voice) |
 Freda Foh ShenPam (voice) | Pam (voice) |
 Gedde WatanabeZack (voice) | Zack (voice) |
| JJoey WilcotsBuster Carmichael (voice) | Buster Carmichael (voice) |
 Michael KeenanProfessor (voice) | Professor (voice) |