Decades after their last hit, the Heartthrob Boyz find themselves out of time, out of cash, and out of shape as they attempt to finish the album they hope returns them to glory.
| Actor | Role |
|---|---|
 Steve AgeeJohnny | Johnny |
 Seth HerzogLance | Lance |
 Jordan CarlosHenry | Henry |
 Dave HillNew Guy | New Guy |
 Dave AllenDavy | Davy |
 Jerry O'ConnellChad Bixley | Chad Bixley |
 Gilbert GottfriedMort (voice) | Mort (voice) |
 QuestloveAlien | Alien |
 Chase CrawfordYoung Johnny | Young Johnny |
| EEsther KuTina | Tina |
| NNaman ClarkYoung Henry | Young Henry |
| AA.J. BreslinYoung New Guy | Young New Guy |
| DDillon StoneburnerYoung Lance | Young Lance |
| HHitha HerzogNewscaster | Newscaster |
| SScott SummittDarren D | Darren D |