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 David Patrick Kelly Jerry Horne Guest Star Don S. Davis Major Garland Briggs Actor Charlotte Stewart Betty Briggs Guest Star Don Amendolia Emory Battis Guest Star Catherine E. Coulson The Log Lady Actor Jill Engels Trudy Guest Star Brian Straub Einar Thorson Guest Star Mary Stavin Heba Guest Star Lance Davis Chet Guest Star Rick Giolito Montana Guest Star Peter Michael Goetz Jared Guest Star Lisa Ann Cabasa Jenny Guest Star Grace Zabriskie Sarah Palmer Voice Lesli Linka Glatter Director Mark Frost Writer