Rude Boy is a semi-documentary, part character study, part 'rockumentary', featuring a British punk band, The Clash. The script includes the story of a fictional fan juxtposed with actual public events of the day, including political demonstrations and Clash concerts.
| Actor | Role |
|---|---|
 Ray GangeRay | Ray |
 Joe StrummerThe Group | The Group |
 Topper HeadonThe Group | The Group |
 Paul SimononThe Group | The Group |
 Mick JonesThe Group | The Group |
 Jimmy PurseyGuest Singer | Guest Singer |
 Caroline CoonClash Girlfriend | Clash Girlfriend |
| JJohnny GreenRoadie | Roadie |
| BBarry BakerRoadie | Roadie |
| TTerry McQuadeTerry | Terry |
| EElizabeth YoungRay's Girlfriend #1 | Ray's Girlfriend #1 |
| SSarah HallRay's Girlfriend #2 | Ray's Girlfriend #2 |
| BBarry MyersDJ | DJ |
| CColin RichardsSex Shop Customer | Sex Shop Customer |
| LLutz BeckerSex Shop Customer | Sex Shop Customer |
| KKenny JosephSolicitor's Clerk | Solicitor's Clerk |
| LLizard BrownSuspect | Suspect |
| HHickey EtienneSuspect | Suspect |
| IInch GordonSuspect | Suspect |
| LLee ParkerSuspect | Suspect |
 Colin BuckseyPolice | Police |
 Ari UpSelf (uncredited) | Self (uncredited) |
 Margaret ThatcherSelf | Self |