A documentary about the BBC Radiophonic Workshop, responsible for creating some of the most memorable television and radio music in British popular culture, including "The Hitchhiker's Guide to the Galaxy" and Doctor Who (1963).
| Actor | Role |
|---|---|
 Oliver PostgateSelf | Self |
 Roger LimbSelf | Self |
 Brian HodgsonSelf | Self |
| DDesmond BriscoeSelf | Self |
| MMaddalena FagandiniSelf | Self |
 Dick MillsSelf | Self |
| AAdrian UtleySelf | Self |
 Delia DerbyshireSelf | Self |
 Malcolm ClarkeSelf | Self |
| PPeter KemberSelf | Self |
| MMilton BabbittSelf | Self |
| HHuw WheldonSelf | Self |
 Robert PopperSelf | Self |
 Peter SerafinowiczSelf | Self |
 Wendy CarlosSelf | Self |
 Paddy KingslandSelf | Self |
| EElizabeth ParkerSelf | Self |
| JJohn BakerSelf - Radiophonic Composer (archive footage) | Self - Radiophonic Composer (archive footage) |
 Mark AyresSelf | Self |
 Peter HowellSelf | Self |
| DDavid CainSelf | Self |