Kyle MacLachlan as Special Agent Dale Cooper

Michael Ontkean as Sheriff Harry S. Truman

Mädchen Amick as Shelly Johnson

Dana Ashbrook as Bobby Briggs

Richard Beymer as Benjamin Horne

Lara Flynn Boyle as Donna Hayward

Sherilyn Fenn as Audrey Horne

Warren Frost as Dr. Will Hayward

Peggy Lipton as Norma Jennings

James Marshall as James Hurley

Everett McGill as Big Ed Hurley

Jack Nance as Pete Martell

Ray Wise as Leland Palmer

Joan Chen as Jocelyn Packard

Piper Laurie as Catherine Martell

Sheryl Lee as Laura Palmer / Maddy Ferguson

Wendy Robie as Nadine Hurley

Russ Tamblyn as Dr. Lawrence Jacoby

Eric DaRe as Leo Johnson

Mary Jo Deschanel as Eileen Hayward

Harry Goaz as Deputy Andy Brennan

Gary Hershberger as Mike Nelson

Michael Horse as Deputy Tommy 'Hawk' Hill

Grace Zabriskie as Sarah Palmer

Troy Evans as George Wolchezk

John Boylan as Dwayne Milford

Rodney Harvey as Biker Scotty

Robert Davenport as Johnny Horne

Jan D'Arcy as Sylvia Horne

Kimmy Robertson as Lucy Moran

Jessica Wallenfels as Harriet Hayward

Don S. Davis as Maj. Garland Briggs

Charlotte Stewart as Betty Briggs

Roberta Maguire as Maria Pulaski

Phoebe Augustine as Ronnette Pulaski

Frank Roberts as Father Hutchings

Brett Vadset as Joey

David Wasman as Gilman White

Jane Jones as Margaret Honeycutt

Tawnya Pettiford-Wates as Dr. Shelvy

Shelley Henning as Alice Brady

Dorothy Roberts as Mrs. Jackson

Julee Cruise as Girl Singer

Arnie Stenseth as Sven Jorgenson

Andrea Hays as Heidi

Rick Tutor as Janek Pulaski

Marjorie Nelson as Janice Hogan

Ben DiGregorio as Max Hartman

Diane Caldwell as Hotel Employee

Catherine E. Coulson as The Log Lady

Al Strobel as One-Armed Man

Frank Silva as BOB

Michael J. Anderson as The Man From Another Place

David Chadwick as Harry Wilson

Laurel Ann White as Nurse Greta

Joey Altruda as Road House Band Member (uncredited)

Steven Hodges as Road House Band Member (uncredited)