Top cast
James Coburn
Robert Elliot
Lee Grant
Jean Robertson
Harry Andrews
Albert Parsons
Ian Hendry
Alex Hellman
Michael Jayston
David Baker
Christiane Krüger
Christina Larsson
Keenan Wynn
E.J. Farnsworth
Terence Alexander
Business tycoon
Julian Glover
Arnold Pryce-Jones
Philip Anthony
Eliot's Secretary
Mary Larkin
Jean's Secretary
Ewan Roberts
Laboratory Technician
