A plumber and his germophobic son are forced to get their hands dirty to save the residents of an apartment building, when a genetically engineered, blood-thirsty creature escapes into the plumbing system.
| Actor | Role |
|---|---|
 Steven OggDon | Don |
 Daniel DohenySonny | Sonny |
 Chelsea ClarkPatricia | Patricia |
 Mark McKinneyDr. Robert | Dr. Robert |
 Brynn GodenirLauren | Lauren |
 Marcia BennettMrs. Applebaum | Mrs. Applebaum |
 Julian RichingsProfessor Cummings | Professor Cummings |
 Lorna WilsonMarjorie | Marjorie |
 Marty AdamsEddie | Eddie |
| DDonald TripeHugh | Hugh |
| TTal ZimermanParamedic | Paramedic |