| Name | Appearances | Note |
|---|---|---|
| Alex Mazur | 2 | Keyboard |
| Ali McGuirk | 1 | Vocals |
| Beau Sasser | 1 | Keyboard |
| Ben Hoadley | 3 | Bass |
| Brendan Tommaney | 4 | Percussion |
| David Becker | 85 | bass |
| Donny Albrecht | 1 | Trumpet |
| Jack Vignone | 1 | Bass |
| Jason "Smiley" Engleson | 1 | Keyboard |
| Jeff Vetstein | 3 | guitar |
| Johnny Trama | 1 | guitar |
| Justin Lopes | 51 | Keyboards |
| Kiran Edwards | 1 | Keyboard |
| Kris Yunker | 26 | Keyboard |
| Max Chase | 2 | Keyboard |
| Michael Bafundo | 1 | Trumpet |
| Michael Butler | 86 | Vocals |
| Milt Reder | 1 | guitar |
| Nick Swift | 88 | Guitar |
| Parker McQueeney | 2 | Keyboard |
| Richard James | 1 | Keyboard |
| Tyler Brooks | 88 | Drums |