Kyle MacLachlan Special Agent Dale Cooper Actor Michael Ontkean Sheriff Harry S. Truman Actor Mädchen Amick Shelly Johnson Actor Dana Ashbrook Bobby Briggs Actor Richard Beymer Benjamin Horne Actor Lara Flynn Boyle Donna Hayward Actor Sherilyn Fenn Audrey Horne Actor Warren Frost Dr. Will Hayward Actor Peggy Lipton Norma Jennings Actor James Marshall James Hurley Actor Everett McGill Big Ed Hurley Actor Jack Nance Pete Martell Actor Ray Wise Leland Palmer Actor Joan Chen Jocelyn Packard Actor Piper Laurie Catherine Martell Actor Eric DaRe Leo Johnson Actor Harry Goaz Deputy Andy Brennan Actor Michael Horse Deputy Tommy "Hawk" Hill Actor Sheryl Lee Maddy Ferguson Actor Russ Tamblyn Dr. Lawrence Jacoby Actor Chris Mulkey Hank Jennings Guest Star Walter Olkewicz Jacques Renault Guest Star Victoria Catlin Blackie O'Reilly Guest Star Wendy Robie Nadine Hurley Actor Kimmy Robertson Lucy Moran Actor Charles Hoyes Decker Guest Star Brian Straub Einar Thorson Guest Star Lance Davis Chet Guest Star Rick Giolito Montana Guest Star Peter Michael Goetz Jared Guest Star Lesli Linka Glatter One-Eyed Jack's Servant Guest Star Mark Frost Director, Writer