Dumbbells is a light-hearted buddy comedy set amongst a group of misfit employees that work in a struggling fitness center in Los Angeles.
| Actor | Role |
|---|---|
 Brian DroletChris Long | Chris Long |
 Hoyt RichardsJack Guy | Jack Guy |
 Taylor ColeRachel Corelli | Rachel Corelli |
 Mircea MonroeKim Hertz | Kim Hertz |
 FabioFabio | Fabio |
 Nick NicoteraBobby Balecki | Bobby Balecki |
 Jon HuckTodd | Todd |
 Jason Scott JenkinsDre Lincoln | Dre Lincoln |
 Valery M. OrtizMissy | Missy |
 Jennifer MurphyGizzell | Gizzell |
 Renée PercyIvana | Ivana |
 Jay MaloneRude Banker | Rude Banker |
 Mark HawkinsSterling LeBouf Jones | Sterling LeBouf Jones |
 Jaleel WhiteThe Leader | The Leader |
 Andy MilonakisRusty | Rusty |
 Jay MohrHarold | Harold |
 Amy PaffrathJennifer | Jennifer |
 Olivia Taylor DudleyHeather | Heather |
 Carl ReinerDonald Cummings | Donald Cummings |
 Tom ArnoldDaddy | Daddy |
 Da'Vone McDonaldNot listed | Not listed |
| BBrian Tyler CohenNot listed | Not listed |
 Emilien De FalcoNot listed | Not listed |
 Jack DonnerOld Man Buzz | Old Man Buzz |
 Shanna McLaughlinTiffany | Tiffany |
 Jennifer AndradeStacy | Stacy |
 Kathryn CollinsBrittany | Brittany |
| NNatalie NelsonNaomi | Naomi |
 Laura Ashley SamuelsCandy | Candy |
| SSara SchneiderNaked Dumbells Girl | Naked Dumbells Girl |