Candidates
| R. L. Praprotinik | Confirmed |
| James H Schmidt | Confirmed |
| Hector Maldonado | Confirmed |
| Kristi Nichols | Confirmed |
| Roy Blunt | UNConfirmed |
| Deborah Solomon | Confirmed |
| Davis Conway | Confirmed |
| Mike Vontz | Confirmed |
| Chuck Purgason | Confirmed |
Democrat Party |
|
| Francis J Vangeli | Confirmed |
| Robin Carnahan | Declined |
Constitution Party |
|
| Joe Martellaro | Confirmed |
| Jerry Beck | Confirmed |
| Mike Simmons | Confirmed |
Libertarian Party |
|
| Jonathan Dine | Confirmed |
| Cisse Spragins | Confirmed |