The set-up involving the Mitchum brothers and Dougie reaches its climax while even stranger things start to happen to both the FBI team and the Twin Peaks Sheriff's Department.
| Name | Type | Role | |
|---|---|---|---|
| David Lynch | Writer | ||
| Mark Frost | Writer | ||
| Cherity Parenzin | Guest Star | Carrie | |
| Robert Forster | Guest Star | Frank Truman | |
| Jay Larson | Guest Star | Limo Driver | |
| Giselle DaMier | Guest Star | Sandie | |
| Marvin Rosand | Guest Star | Toad | |
| Mary Stofle | Guest Star | Ruth Davenport | |
| Elias Parenzini | Guest Star | Ralph | |
| Jim Belushi | Guest Star | Bradley Mitchum | |
| Josh Fadem | Guest Star | Phil Bisby | |
| Andrea Watrouse | Guest Star | Mandie | |
| Caleb Landry Jones | Guest Star | Steven Burnett | |
| Priya Niehaus | Guest Star | Sick Girl | |
| Balthazar Getty | Guest Star | Red | |
| Sarah Jean Long | Guest Star | Miriam Sullivan | |
| Robert Knepper | Guest Star | Rodney Mitchum | |
| Linas Phillips | Guest Star | Russ | |
| Alicia Witt | Guest Star | Gersten Hayward | |
| Laura Dern | Guest Star | Diane Evans | |
| Laura Kenny | Guest Star | Woman in Car | |
| Harry Dean Stanton | Guest Star | Carl Rodd | |
| James Grixoni | Guest Star | Deputy Jesse Holcomb | |
| Don Murray | Guest Star | Bushnell Mullins | |
| Tom Sizemore | Guest Star | Anthony Sinclair | |
| Linda Porter | Guest Star | Lady Slot-Addict | |
| Matthew Lillard | Guest Star | William Hastings | |
| Travis Frost | Guest Star | Boy Playing Catch | |
| Chrysta Bell | Guest Star | Tammy Preston | |
| Jodi Thelen | Guest Star | Maggie | |
| Amanda Seyfried | Guest Star | Rebecca "Becky" Burnett | |
| Amy Shiels | Guest Star | Candie | |
| Lauren Tewes | Guest Star | Neighbor | |
| Brent Briscoe | Guest Star | Dave Macklay | |
| David Lynch | Director |