Greg Sutton

Greg Sutton was an oil drilling expert, brought to the Inferno Project by Sir Keith Gold to offer expert advice on the work Professor Stahlman was conducting there. (DW: Inferno)

After Project Inferno
Following the shut down of the Inferno Project, he and Petra Williams became lovers and were planning to leave Great Britain in February 1970. James Stevens of the Daily Chronicle dismissed his outlandish claims that a green slime from the centre of the Earth transformed scientists into wolf monsters, describing it as sounding like the plot of a "science fiction potboiler." (MA: Who Killed Kennedy)

By 1973, Greg had become friends with the First Doctor's former companion Ian Chesterton. (PDA: ''Byzantium!)