Several roasters, and the master himself Kevin Hart, make fun of Justin Bieber.
| Actor | Role |
|---|---|
 Kevin HartSelf - Roastmaster | Self - Roastmaster |
 Justin BieberSelf - Roastee | Self - Roastee |
 Will FerrellRon Burgundy | Ron Burgundy |
 Chris D'EliaSelf | Self |
 Natasha LeggeroSelf | Self |
 Snoop DoggSelf | Self |
 Hannibal BuressSelf | Self |
 LudacrisSelf | Self |
 Shaquille O'NealSelf | Self |
 Jeff RossSelf | Self |
 Martha StewartSelf | Self |
 Pete DavidsonSelf | Self |
 Dave ChappelleSelf | Self |
 Lauren Ashley BerrySelf | Self |
 Jillian BellSelf | Self |
| SShaniece ColeSelf | Self |
 Yuval DavidSelf | Self |
| RRay HounsellSelf | Self |
 Kyle KinaneSelf | Self |
| DDebra LeeSelf | Self |
 Marcus NatividadSelf | Self |
 Katharine McPheeSelf | Self |
 Trevor NoahSelf | Self |
 Joshua PauleSelf | Self |
| JJon SlajerSelf | Self |
 Gloria AllredSelf | Self |
 Blake AndersonSelf | Self |
| RRob SimmonsSelf | Self |
 Ashley BensonSelf | Self |
 Scooter BraunSelf | Self |