The O'Reilly Factor | The X Factor (UK) | Microphthalmia-associated transcription factor | The X Factor | Fear Factor | Max Factor | The X Factor (TV series) | B-cell activating factor | Epidermal growth factor receptor | Psi Factor: Chronicles of the Paranormal | Giuliano Gemma | Gemma Ward | Astro Boy: Omega Factor | Gemma Hayes | Gemma Frisius | Gemma Bissix | twist transcription factor | The X Factor (U.S.) | The X Factor (UK TV series) | The X Factor (UK series 2) | The Omega Factor | The Butch Factor | The Adonis Factor | Sp1 transcription factor | Rheumatoid factor | PSI Factor | O'Reilly Factor | Insulin-like growth factor 1 | Gemma Hunt | Gemma Craven |
Ross Adams is an English television actor originally from Newcastle upon Tyne best known for his role as Jeff Bowyer in the BBC Three sitcom The Gemma Factor alongside Anna Gilthorpe, Claire King, Gwyneth Powell and Angus Barnett.