 Patrick WinczewskiNarrator (voice) | Narrator (voice) |
| TTanveer AhmedSelf - Ass. Professor Plast. Surgery | Self - Ass. Professor Plast. Surgery |
| EEdward AlleraSelf - Pharmacist / Former Attorney | Self - Pharmacist / Former Attorney |
| UUwe BehrensSelf - MUT Alliance | Self - MUT Alliance |
| JJuan José Gómez CamachoSelf - UN Ambassador | Self - UN Ambassador |
| SSlava EpsteinSelf - Professor at Northeastern University | Self - Professor at Northeastern University |
| PPeter GreenhouseSelf - Sexual Health expert | Self - Sexual Health expert |
| TTom GrumblySelf - Chairman SoAR Foundation (USA) | Self - Chairman SoAR Foundation (USA) |
| AAlexander KallenSelf - Centres of Diseas Control and Preventiond | Self - Centres of Diseas Control and Preventiond |
| MMaryn McKennaSelf - Science journalist | Self - Science journalist |
| PPaul MenziesSelf - Local Historian Middlesbrough (GB) | Self - Local Historian Middlesbrough (GB) |
| GGerd-Ludwig MeyerSelf - Dialysist practitioner | Self - Dialysist practitioner |
| RRichard NovickSelf - Microbioligist | Self - Microbioligist |
| NNolan StoneSelf - Cattle Breeder | Self - Cattle Breeder |
| RRandall ToddSelf - Chief Officer CDC Reno | Self - Chief Officer CDC Reno |
| KKevin BrownSelf - Medical Historian | Self - Medical Historian |
| LLei ChenSelf - CDC Specialist Reno | Self - CDC Specialist Reno |
| DDavid CromwellSelf - Former Doctor US Forces | Self - Former Doctor US Forces |
| SSally DaviesChief Medical Officer (GB) | Chief Medical Officer (GB) |
| SSteven FinchSelf - Relative of a victim | Self - Relative of a victim |
| JJohn LynchSelf - Doctor | Self - Doctor |
| JJim O'NeillSelf - Economist | Self - Economist |
| DDavid RicciSelf - Victim | Self - Victim |
| AAnn TuckerSelf - Former Nurse Middlesbrough (GB) | Self - Former Nurse Middlesbrough (GB) |
| TTimothy WalshSelf - Professor of Medical Microbiology | Self - Professor of Medical Microbiology |
