In 1974, Ian Marter was cast as Harry Sullivan, opposite Tom Baker and Elisabeth Sladen, in a new era of Doctor Who. Marter was meant to be the show’s action man, but just months prior to joining, his erratic health nearly caused his death. This new feature-length documentary explores in intimate detail Marter’s turbulent, enigmatic and brilliant life.
| Actor | Role |
|---|---|
 Ian MarterSelf (archive footage) | Self (archive footage) |
| ""Mopsy" MarterSelf | Self |
| RRupert MarterSelf | Self |
| AAlan MarterSelf | Self |
 Christopher NaylorSelf/Ian Marter | Self/Ian Marter |
| RRoland OliverSelf | Self |
| JJohn DodgsonSelf | Self |
 Angela DownSelf | Self |
 Richenda CareySelf | Self |
 Liza GoddardSelf | Self |
 Paul MoriartySelf | Self |
| JJenny McCrackenSelf | Self |
 Robert ShearmanSelf | Self |
 Tom BakerSelf | Self |
 Elisabeth SladenSelf (archive footage) | Self (archive footage) |
 Philip HinchcliffeSelf | Self |
 Roger Murray-LeachSelf | Self |
| SSylvia JamesSelf | Self |
 James GossSelf | Self |
| DDavid WarwickSelf | Self |
 Nicholas BriggsSelf | Self |