Episode 8 was an episode of Twin Peaks that featured the series regular who was also in what 1970s crime drama?
Episode 8 (Twin Peaks):  It features series regulars Kyle MacLachlan, Michael Ontkean, Ray Wise and Richard Beymer; and guest stars Grace Zabriskie as Sarah Palmer, Chris Mulkey as Hank Jennings, Miguel Ferrer as Albert Rosenfield, Don S. Davis as Major Garland Briggs, and Victoria Catlin as Blackie O'Reilly. Michael Ontkean:  He is known for the 1970s crime drama "The Rookies", the films "Slap Shot" (1977) and "Making Love" (1982), and the cult-favorite TV series "Twin Peaks" (1990–1991).
The Rookies