Mary Jo Deschanel

Mary Jo Deschanel (née Weir) is an American actress. She appeared in the film The Right Stuff (1983) and the television series Twin Peaks (1990–1991).

Twin Peaks · S1, E3

Zen, or the Skill to Catch a Killer

Agent Cooper shows the sheriff's department an uncommon deductive technique; Benjamin and Jerry Horne visit One-Eyed Jacks; Donna and James make a commitment; Leo holds Bobby at gunpoint.
Twin Peaks · S1, E2

Traces to Nowhere

Agent Cooper and Sheriff Truman learn more about Laura's life; Catherine plots to take over the sawmill.
House · S5, E20

Simple Explanation

After caring for her dying husband for several months, a woman collapses; his condition mysteriously improves but hers deteriorates.
Twin Peaks · S1, E1

Pilot

An FBI agent (Kyle MacLachlan) and a sheriff (Michael Ontkean) find weirdness in a Pacific Northwest town while investigating the murder of a local teen.
Twin Peaks · S2, E1

May the Giant Be with You

The investigation into Laura's death continues; Audrey is taken prisoner; Donna receives a strange message.
Twin Peaks · S2, E17

Wounds and Scars

Cooper eyes a reclusive beauty; Truman agonizes over Josie; Donna gets a macabre visitor; Audrey falls in love.

Mary Jo Deschanel

Guest Appearances