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 Laura Palmer, Maddy Ferguson Actor Russ Tamblyn Dr. Lawrence Jacoby Actor Grace Zabriskie Sarah Palmer Actor Miguel Ferrer FBI Agent Albert Rosenfield Guest Star Walter Olkewicz Jacques Renault Guest Star Royce D. Applegate Rev. Clarence Brocklehurst Guest Star Jed Mills Wilson Mooney Guest Star Wendy Robie Nadine Hurley Actor Kimmy Robertson Lucy Moran Actor Gary Hershberger Mike Nelson Guest Star Don S. Davis Major Garland Briggs Actor Charlotte Stewart Betty Briggs Guest Star Robert Bauer Johnny Horne Guest Star Catherine E. Coulson The Log Lady Actor Jill Engels Trudy Guest Star Brett Vadset Joey Paulson Guest Star Clay Wilcox Bernard Renault Guest Star Erika Anderson Emerald, Jade Guest Star Lance Davis Chet Guest Star Peter Michael Goetz Jared Guest Star Jan D'Arcy Sylvia Horne Guest Voice Rick Giolito Montana Guest Star Tina Rathborne Director Harley Peyton Writer