Department S - Season 1 - Eps 26: A Small War of Nerves
LOCATION: Wiltshire, England DATE: April 20th Greg Halliday is fed up with his work as a chemical engineer creating weapons that can obliterate the population of large cities. He leaves his job with a canister of the deadly chemical. The Department is out to find him before others who want the chemicals get to him -- or before Halliday uses the weapon himself.
About Department S

Title: Department S
First Air Date: 1969-09-09
Last Air Date: 1970-03-17
Status: Ended
Rating: 4.9/10 (from 12 votes)
Language: EN
Seasons: 1
Total Episodes: 28
Network: ITV1
Genres: Action & Adventure, Drama, Sci-Fi & Fantasy
Production Companies: Unknown
Synopsis
Department S is a United Kingdom spy-fi adventure series produced by ITC Entertainment. The series consists of 28 episodes which originally aired in 1969–1970. It starred Peter Wyngarde as author Jason King, Joel Fabiani as Stewart Sullivan, and Rosemary Nicols as computer expert Annabelle Hurst. The trio were agents for a fictional special department of Interpol. The head of Department S was Sir Curtis Seretse.
Cast

Peter Wyngarde
Jason KIng

Rosemary Nicols
Annabelle Hurst

Joel Fabiani
Stewart Sullivan

Dennis Alaba Peters
Sir Curtis Seretse