1962 | United States

Checkmate Inc., was a very expensive investigative agency operating in San Francisco and owned by Don Corey (Anthony George) and Jed Sills (Doug McClure), protecting the lives of people who had become targets of the criminal underworld and specialising in preventing crimes before they happen. 

They operated out of Corey's stylishly expensive apartment at 3330 Union Street. Aiding and abetting the duo was Oxford professor of criminology Dr. Carl Hyatt (Sebastian Cabbot) who was employed as a special consultant to the firm. Investigator Chris Devlin (Jack Betts) joined for the final season. 

Published on December 3rd, 2018. Written by Laurence Marcus for Television Heaven.