Submission Underground 13 took place Sunday, April 26, 2020 with 10 fights in Portland, Oregon
| Actor | Role |
|---|---|
 Craig JonesSelf | Self |
 Vinny MagalhãesSelf | Self |
 Austin VanderfordSelf | Self |
 Richie MartinezSelf | Self |
| GGabriel CheccoSelf | Self |
 Jake EllenbergerSelf | Self |
 Ethan CrelinsteinSelf | Self |
| AAndrew AlexanderSelf | Self |
 Don StonerSelf | Self |
| AAlex LarmeySelf | Self |
| JJoe BaizeSelf | Self |
 Nick MaximovSelf | Self |
 Cris LencioniSelf | Self |
| AAustin DaffronSelf | Self |
| CCharles GilpinSelf | Self |
 Jake SmithSelf | Self |
| EEric McConicoSelf | Self |
| GGorge MartinezSelf | Self |
| CCody KenagaSelf | Self |
| JJake HargisSelf | Self |