Submission Underground 16 took place Sunday, July 12, 2020 with 10 fights in Portland, Oregon.
| Actor | Role |
|---|---|
 Mason FowlerSelf | Self |
 Craig JonesSelf | Self |
 Amanda LoewenSelf | Self |
 Erin HerleSelf | Self |
 Richie MartinezSelf | Self |
 Kevin CaseySelf | Self |
| BBen EgliSelf | Self |
 Micah BrakefieldSelf | Self |
 Hunter ColvinSelf | Self |
 Andy VarelaSelf | Self |
| AAlex LarmeySelf | Self |
| LLee FloresSelf | Self |
| JJesse BrockSelf | Self |
| LLogan SkinnerSelf | Self |
| MMike DeWittSelf | Self |
| AAndrew GundlachSelf | Self |
 Kaniela KahuanuiSelf | Self |
| JJosh BowlinSelf | Self |
 Nick MaximovSelf | Self |
 Colton VaughnSelf | Self |