Survivors

Jenny Richards

Greg Preston

Charles Vaughan

John Millon

Lizzie Willoughby

Hubert Goss

Pet Simpson

Abby Grant

Ian McCulloch left due to his dissatisfaction with the quality of the second series.

Carolyn Seymour was dropped after the first series due to a difficult relationship with producer Terence Dudley.

The opening title sequence depicting the germ being transferred from China via air travel all around the world is often referred to as one of the most memorable and frightening titles ever made for television.