Rachel Dratch

Debbie Downer is heading to Up All Night!

Saturday Night Live alum Rachel Dratch will guest-star on an upcoming episode of the NBC series, TVGuide.com has confirmed.

Suburgatory: SNL vet Rachel Dratch to lock horns with Sheila Shay

Reuniting with her SNL co-star Maya Rudolph, Dratch will play Linda, a Valley Copies employee and fan of Rudolph's Ava who is psyched to receive some Ava Show memorabilia. The casting was first broken by The Hollywood Reporter.

Dratch, whose credits also include 30 Rock and Just Go With It, will also guest-star on Suburgatory this season.

Up All Night returns Thursday, Sept. 20 at 8:30/7:30c on NBC.