Tracing the dramatic and controversial rise of Robert F. Kennedy Jr., FRONTLINE examines how the scion of a storied dynasty endured tragedy and scandal, broke with the Democratic Party and his family, stoked conspiracy theories, and is reshaping government and public health.
| Actor | Role |
|---|---|
 Robert F. Kennedy Jr.Self (archival footage) | Self (archival footage) |
 Will LymanNarrator | Narrator |
 Donald TrumpSelf (archival footage) | Self (archival footage) |
 Joe BidenSelf (archival footage) | Self (archival footage) |
 Joe RoganSelf (archival footage) | Self (archival footage) |
 Del Matthew BigtreeSelf | Self |
| CCalley MeansSelf | Self |
| CClaire MaloneSelf | Self |
| RRebecca Davis O'BrianSelf | Self |
| JJoe HaganSelf | Self |
| DDick RussellSelf | Self |
| RRebecca TraisterSelf | Self |
| SStephen Kennedy SmithSelf | Self |
 Fintan O'TooleSelf | Self |
| SSkip HineSelf | Self |
| GGavin de BeckerSelf | Self |
 Kurt AndersenSelf | Self |
| BBlake FleetwoodSelf | Self |
| EEliza CooneySelf | Self |
| LLyn RedwoodSelf | Self |
 Paul OffitSelf | Self |
| TTony LyonsSelf | Self |
| KKerry KennedySelf | Self |
| AAlex AzarSelf | Self |
 Anthony FauciSelf | Self |
| FFiona HaversSelf | Self |
 Peter MarksSelf | Self |
| SSheryl Gay StolbergSelf | Self |
| AAnna MerlanSelf | Self |
| LLauren WeberSelf | Self |