Reflecting Peter O'Toole's theatrical legacy, this feature documentary is structured into four acts, each introduced by a quote about O'Toole that encapsulates his life during a specific period.
| Actor | Role |
|---|---|
 Peter O'TooleSelf (archive footage) | Self (archive footage) |
 Siân PhillipsSelf | Self |
 Anthony HopkinsSelf | Self |
 Brian CoxSelf | Self |
 Petula ClarkSelf | Self |
 Stephen FrySelf | Self |
 Jane MerrowSelf | Self |
| TThomas BowingtonSelf | Self |
 Derek JacobiSelf | Self |
 Brian BlessedSelf | Self |
 Kenneth BranaghSelf | Self |
 Kate O'TooleSelf | Self |
| LLorcan O'TooleSelf | Self |
| MMichael RedwoodSelf | Self |
 Peter MedakSelf | Self |
 Michael JaystonSelf | Self |
 Vernon DobtcheffSelf | Self |
 Annabel LeventonSelf | Self |
| KKevin RockettSelf | Self |
 Carolyn SeymourSelf | Self |