UFC Fight Night 138: Volkan vs. Smith was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on October 27, 2018 at Avenir Centre in Moncton, New Brunswick, Canada. A light heavyweight bout between former UFC Light Heavyweight Championship challenger Volkan Oezdemir and Anthony Smith served as the event headliner.
| Actor | Role |
|---|---|
 Anthony SmithSelf | Self |
 Volkan OezdemirSelf | Self |
 Michael JohnsonSelf | Self |
 Artem LobovSelf | Self |
 Misha CirkunovSelf | Self |
 Patrick CumminsSelf | Self |
| AAndre SoukhamthathSelf | Self |
 Jonathan MartinezSelf | Self |
 Gian VillanteSelf | Self |
 Ed HermanSelf | Self |
 Court McGeeSelf | Self |
 Alex GarciaSelf | Self |
 Sean StricklandSelf | Self |
 Nordine TalebSelf | Self |
 Nasrat HaqparastSelf | Self |
 Thibault GoutiSelf | Self |
 Calvin KattarSelf | Self |
 Chris FishgoldSelf | Self |
 Talita BernardoSelf | Self |
 Sarah MorasSelf | Self |
 Don MadgeSelf | Self |
| TTe EdwardsSelf | Self |
 Arjan BhullarSelf | Self |
 Marcelo GolmSelf | Self |
 Stevie RaySelf | Self |
| JJessin AyariSelf | Self |