At this time Díaz became fascinated with apocalyptic films and books, especially the work of John Christopher, the original Planet of the Apes films, and the BBC mini-series Edge of Darkness.
Heart of Darkness | The Edge | The Edge of Night | Edge | Over the Edge | Edge of Darkness | Edge Hill | EDGE | Warrior on the Edge of Time | Warcraft II: Tides of Darkness | Selwyn Edge | Edge (wrestler) | Alderley Edge | The Whisperer in Darkness | The Razor's Edge | Steve Edge | MotorStorm: Arctic Edge | Mirror's Edge | Woman on the Edge of Time | With Fear I Kiss the Burning Darkness | When Darkness Comes | Under Cover of Darkness | The Razor's Edge (1984 film) | The Ghost and the Darkness | The Edge of Destruction | The Edge Chronicles | The City on the Edge of Forever | Star Trek Into Darkness | River's Edge | Over the Edge (role-playing game) |
His other films credits include Edge of Darkness (2010) starring Mel Gibson and The Book of Revelation (2006).
Wharmby had small roles in programmes such as Troy Kennedy Martin's nuclear thriller Edge of Darkness (1985), Brookside (1985), All Creatures Great and Small (1988), A Very British Coup (1988), Agatha Christie's Poirot (1990), Heartbeat (1994) and Hetty Wainthropp Investigates (1996).
The Theatre School enjoyed success during the 1980s and early 1990s under the direction of Paul A Thompson (who was resident dramatist with the Royal Shakespeare Company in 1977 and with the National Theatre 1977 to 1979) and Brian Croucher (who played a number of roles in TV shows including EastEnders, Blake's 7, Doctor Who, The Bill, Casualty, Doctors and Edge of Darkness).