Espionage (TV series)

Espionage is a 1963 Associated Television (ATV) series, distributed outside the UK by ITC Entertainment and broadcast in the United States by NBC.
Synopsis.
The 24 b/w episodes with a running time of 48 minutes per episode had no regular cast, choosing instead to follow various spies as they did their "jobs". The episodes featured spies for the West, for the Soviet Bloc, spies working for peace and resistance operatives. The episodes drifted between contemporary times, the Second World War and the interwar period with occasional episodes set in other times.
Guest cast.
Featured guest stars included:
Many of the cast members were largely unknown in the United States when this series was first broadcast and some members would go on to fame in the US because of the exposure.
Episode list.
This list is in NBC's airdate order.
Music.
The theme music was composed and conducted by Malcolm Arnold.