FBI Agent Dale Cooper-Kyle MacLachlan
Sheriff Harry S. Truman-Michael Ontkean
Catherine Martell-Piper Laurie
Jocelyn Packard-Joan Chen
Shelly Johnson-Madchen Amick
Bobby Briggs-Dana Ashbrook
Benjamin Horne-Richard Beymer
Donna Hayward-Lara Flynn Boyle
Audrey Horne-Sherilyn Fenn
Dr. William Hayward-Warren Frost
Norma Jennings-Peggy Lipton
James Hurley-James Marshall
Ed Hurley-Everett McGill
Pete Martell-Jack Nance
Lucy Moran-Kimmy Robertson
Leland Palmer-Ray Wise
Dr. Lawrence Jacoby-Russ Tamblyn
Leo Johnson-Eric Da Re
Deputy Andy Brennan-Harry Goaz
Deputy Tommy "Hawk" Hill-Michael Horse
Madeleine Ferguson/Laura Palmer-Sheryl Lee
Windom Earle-Kenneth Welsh