A secret service agent is assigned to protect an expert metallurgist. All five episodes are believed to be lost.
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Douglas Camfield
Creator
Royston Tickner
Richard Hurndall
Bernard Kay
Terence Longdon
Vernon Dobtcheff
William Russell
Rosemary Nicols
Rob Lee
2015
1966
2016
2011
2023
2013
1974
1996
1982
1962
2009
1968
