| HHelen SteelSelf | Self |
| DDave MorrisSelf | Self |
 Bruce AlexanderRichard Rampton QC | Richard Rampton QC |
 Pip DonaghyDavid Walker | David Walker |
| IIan FlintoffDavid Green | David Green |
 Oliver Ford DaviesDr. Arnott | Dr. Arnott |
 Richard HopeJudge | Judge |
 William HopeGuardian Newspaper Representative | Guardian Newspaper Representative |
| LLinda McGuireToday Newspaper Representative | Today Newspaper Representative |
 Nick MilesChannel 4 Representative | Channel 4 Representative |
 Fred PearsonSid Nicholson | Sid Nicholson |
 Malcolm TierneyEd Oakley | Ed Oakley |
 Anita AnandVoiceover | Voiceover |
| PPeter ArmstrongVoiceover | Voiceover |
| CChris BrierleyVoiceover | Voiceover |
 Rhona CameronVoiceover | Voiceover |
| WWilson HaagensVoiceover | Voiceover |
| FFrank HutsonVoiceover | Voiceover |
 Simon O'BrienVoiceover | Voiceover |
| AAlfie ThomasVoiceover | Voiceover |
| LLouise WallisVoiceover | Voiceover |
| TT. Colin CampbellSelf - Professor Campbell | Self - Professor Campbell |
| FFran TillerSelf - Former Police Investigator | Self - Former Police Investigator |
 Keir StarmerSelf - Barrister | Self - Barrister |
| EEric SchlosserSelf - Author of "Fast Food Nation" | Self - Author of "Fast Food Nation" |
| SStephen GardnerSelf - Assistant Attorney General | Self - Assistant Attorney General |
| PPaul PrestonSelf - McDonald's UK President | Self - McDonald's UK President |
| SSue DibbSelf - The Food Commission | Self - The Food Commission |
 Geoffrey GiulianoSelf - Former Ronald McDonald | Self - Former Ronald McDonald |
| CCharles SecrettSelf - Friends of the Earth | Self - Friends of the Earth |