UFC 203: Miocic vs Overeem is a mixed martial arts event produced by the Ultimate Fighting Championship (UFC) held on September 10, 2016 at the Quicken Loans Arena in Cleveland, Ohio. The event was headlined by a UFC Heavyweight Championship bout between current champion (and Cleveland area native) Stipe Miocic against 2010 K-1 World Grand Prix winner and former Strikeforce Heavyweight Champion Alistair Overeem.
| Actor | Role |
|---|---|
 Stipe MiocicSelf | Self |
 Alistair OvereemSelf | Self |
 Fabrício WerdumSelf | Self |
 Travis BrowneSelf | Self |
 Mickey GallSelf | Self |
 Phil BrooksSelf | Self |
 Jimmie RiveraSelf | Self |
 Urijah FaberSelf | Self |
 Jéssica AndradeSelf | Self |
 Joanne WoodSelf | Self |
 Bethe CorreiaSelf | Self |
 Jessica EyeSelf | Self |
 Brad TavaresSelf | Self |
 Caio MagalhaesSelf | Self |
 Nik LentzSelf | Self |
 Michael McBrideSelf | Self |
 Drew DoberSelf | Self |
 Jason GonzalezSelf | Self |
 Yancy MedeirosSelf | Self |
| SSean SpencerSelf | Self |