Character (Actor)
Click on a character for a more detailed summary
Spoilers:No major spoilers, I don't want to ruin the show for those who haven't seen it.
1. F.B.I. Agent Dale Cooper (Kyle MacLachlan)
2. Sheriff Harry Truman (Michael Ontkean)
3. Shelley Johnson (Madchen Amick)
4. Bobby Briggs (Dana Ashbrook)
5. Benjamin Horne (Richard Beymer)
6. Donna Hayward (Lara Flynn Boyle)
7. Audrey Horne (Sherilyn Fenn)
8. Dr. Will Hayward (Warren Frost)
9. Norma Jennings (Peggy Lipton)
10. James Hurley (James Marshall)
11. Ed Hurley (Everett McGill)
12. Pete Martell (Jack Nance)
13. Leland Palmer (Ray Wise)
14. Josie Packard (Joan Chen)
15. Catherine Martell (Piper Laurie)
16. Leo Johnson (Eric DaRe)
17. Deputy Andy Brennan (Harry Goaz)
18. Deputy "Hawk" (Michael Horse)
19. Madeleine Ferguson/Laura Palmer (Sheryl Lee)
20. Dr. Lawrence Jacoby (Russ Tamblyn)
21. Sarah Palmer (Grace Zabriskie)
22. Lucy Moran (Kimmy Robertson)
23. Jerry Horne (David Patrick Kelly)
24. Hank Jennings (Chris Mulkey)
25. Albert Rosenfield (Miguel Ferrer)
26. Blackie (Victoria Caitlin)
27. Major Briggs (Don Davis)
28. Betty Briggs (Charlotte Stewart)
29. The Log Lady (Catherine Coulson)
30. Mike Nelson (Gary Hershberger)
31. Nadine Hurley (Wendy Robie)
32. Eileen Hayward (Mary Jo Deschanel)
33. Sylvia Horne (Jan D'Arcy)
34. One-Armed Man (Al Strobel)
35. Little Man From Another Place (Michael Anderson)
36. Killer Bob (Frank Silva)
37. Ronette Pulaski (Phoebe Augustine)
38. Girl Singer (Julee Cruise)
39. Johnny Horne (Robert Bauer)
40. Diane
Not pictured (but I feel they're notable)
41. Special Agent Denise Bryson (David Duchovny)
42. Gordon Cole (David Lynch)
43. Annie Blackburn (Heather Graham)
44. Wyndham Earle (Kenneth Welsh)