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Tightrope is an American crime drama series that aired on CBS from September 1959 to September 1960, under the alternate sponsorship of the J.B. Williams Company, and American Tobacco. Produced by Russell Rouse and Clarence Greene in association with Screen Gems, the series stars Mike Connors as an undercover agent named "Nick" who was assigned to infiltrate criminal gangs. The show was to have originally been titled Undercover Man but it was changed before going to air.