It detailed the course of a strange disease which first affects scientists working on a British rocketry programme. When British astronauts fall prey to the sickness in space, can they be allowed to return?
Episodes
The Beginning
The Empty Minds
The Pattern Emerges
The Gemini Factor
The Arrival
The Price of Freedom
Cast
Brenda Bruce as 'Claire Stewart'Clive Morton as 'Professor Ormskirk'Alexander John as 'David Holland'Nigel Anthony as 'Nat Blakey'Ian Thompson as 'Bill Cape'Timothy Bateson as 'Rathbone'Peter Tuddenham as 'Joseph Banks'Betty Hardy as 'Mrs Hemming'Barbara Mitchell as 'Rosemary Manning'Preston Lockwood as 'Technician'