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LONGSTREET (TV Series 1971-1972) Peter Mark Richman, James Franciscus & Marlyn Mason
Actually it's Peter Mark Richman. Damn autocorrect.
All clues lead Jessica to suspect a coworker, played by Peter Mark Richman . Seth is police suspect.
birthdays Peter Mark Richman (1927), David Graf (1950), Craig Barron (1961) and Jake Garber (1965)
Peter Mark Richman destroys in this movie.