UFC 142: Aldo vs. Mendes was a mixed martial arts event held by the Ultimate Fighting Championship on January 14, 2012 at the HSBC Arena in Rio de Janeiro, Brazil.
| Actor | Role |
|---|---|
 José AldoSelf | Self |
 Chad MendesSelf | Self |
 Vitor BelfortSelf | Self |
 Anthony JohnsonSelf | Self |
 Rousimar Christian PalharesSelf | Self |
 Mike MassenzioSelf | Self |
 Carlo PraterSelf | Self |
 Erick SilvaSelf | Self |
 Edson BarbozaSelf | Self |
| TTerry EtimSelf | Self |
 Thiago TavaresSelf | Self |
 Sam StoutSelf | Self |
 Gabriel GonzagaSelf | Self |
 Ednaldo OliveiraSelf | Self |
 Iuri AlcântaraSelf | Self |
 Michihiro OmigawaSelf | Self |
 Mike PyleSelf | Self |
| RRicardo FunchSelf | Self |
 Felipe ArantesSelf | Self |
 Antônio CarvalhoSelf | Self |