Checkmate - Season 2 Episode 30
Wealthy industrialist Frederick Haley, who has been appointed to an important position at a humanitarian foundation, asks Checkmate to find out who has been threatening his mistress, whom he plans to marry after leaving his wife.
- genus: Crime, Drama, Mystery
- Studio: CBS
- keyword: san francisco, california, private investigator, detective agency
- cast: Anthony George, Doug McClure, Sebastian Cabot