John Diggle
Background
John Diggle is the cook on the HMS Terror in the Discovery Service for the British Royal Navy.
During the events of The Terror: Season 1 Episode 3 The Ladder played by Chris Corrigan
June, 1847, Diggle asks Richard Wall if he has noticed a large amount of their provisions are spoiled. Wall taste tests a can of food and jokingly tells Diggle to add salt.
During the events of The Terror: Season 1 Episode 5 First Shot a Winner, Lads played by Chris Corrigan
After he is attacked by the Tuunbaq, Thomas Blanky is brought to Dr. MacDonald and Diggle helps as Dr. MacDonald cuts off Blanky's lower leg after everyone in the room takes a shot.
During the events of The Terror: Season 1 Episode 6 A Mercy played by Chris Corrigan
January, 1848, Carnival starts and Francis Crozier and Thomas Jopson arrive later and find the crew drunk. Crozier holds a speech and tells the crew that they need to return to their homes. Crozier tells them that they will be walking to safety. He continues that they should find help from the Netsilik people on their way and should eventually meet up with Lt. Fairholme and his group. Lady Silence stumbles into the crowd and shortly after, Dr. Stanley starts himself and the carnival camp on fire. The fire spreads through carnival and some of the crew are burned to death. Cornelius Hickey uses a knife to cut open the canvas and kills Dr. MacDonald in the process. The remaining crew stumble out of the area and the dead are lined up.