The second edition of Todo Mundo no Rio, internationally known as MAYHEM on the Beach, marked a historic moment on Copacabana Beach. After thirteen years away from the country, Lady Gaga returned to Brazil with a free concert promoting her eighth studio album, MAYHEM (2025). With a record-breaking crowd of 2.5 million people, the show became the biggest performance of her career and cemented her as the female artist with the largest audience in history.
| Actor | Role |
|---|---|
 Lady GagaSelf | Self |
| TTim StewartSelf - Guitar | Self - Guitar |
| RRicky TilloSelf - Guitar | Self - Guitar |
| EEric IngramSelf - Bass | Self - Bass |
| TTosh PetersonSelf - Drums | Self - Drums |
| BBrockett ParsonsSelf - Keyboard | Self - Keyboard |
 Ian McKenzieSelf - Dancer | Self - Dancer |
 China TaylorSelf - Dancer | Self - Dancer |
 Víctor RojasSelf - Dancer | Self - Dancer |
 Michael DameskiSelf - Dancer | Self - Dancer |
| ZZavion BrownSelf - Dancer | Self - Dancer |
| MMekhi CuffeeSelf - Dancer | Self - Dancer |
| JJordan HarrisSelf - Dancer | Self - Dancer |
| AAshley KoleSelf - Dancer | Self - Dancer |
| BBriana MorrisonSelf - Dancer | Self - Dancer |
| DDevin NealSelf - Dancer | Self - Dancer |
| TTacir RobersonSelf - Dancer | Self - Dancer |
| DDez SolivenSelf - Dancer | Self - Dancer |
 Ami TakashimaSelf - Dancer | Self - Dancer |
| DDre'moni WattsSelf - Dancer | Self - Dancer |
| SStarley AnneSelf - Dancer | Self - Dancer |
| ZZara DimmockSelf - Dancer | Self - Dancer |
| PPeter van der VeenSelf - Personal security | Self - Personal security |
| NNicolas GarciaSelf | Self |