Editor's note: This replaces what was previously scheduled.

LAUREL ASKS HER BROTHER, LUKE, FOR HIS ASSISTANCE TO UNCOVER THE ORIGINS OF THE BUG INVASION, BUT HIS HESITATION HAS DIRE CONSEQUENCES, ON "BRAINDEAD," ON A NEW DAY AND TIME, SUNDAY, JULY 24

Emmy Award Winner Margo Martindale Guest Stars as Esteemed Entomologist Dr. Joanne Alaimo

"Back to Work: A Behind-the-Scenes Look at Congress and How It Gets Things Done (and Often Doesn't)
" - Laurel asks her brother, Luke, for his help to get the Centers for Disease Control and Prevention to investigate the bugs, but he insists she first consult Dr. Joanne Alaimo (Margo Martindale)
, a leading entomologist, for her perspective on the invasion. Also, Laurel's relationship with Anthony takes a drastic turn, on BRAINDEAD, on a new day and time, Sunday, July 24 (10:00-11:00 PM, ET/PT), on the CBS Television Network.

REGULAR CAST:

Mary Elizabeth Winstead (Laurel Healy)
Danny Pino (Luke Healy)
Aaron Tveit (Gareth Ritter)
Tony Shalhoub (Senator Red Wheatus)
Nikki M. James (Rochelle Daudier)
Johnny Ray Gill (Gustav Triplett)
Jan Maxwell (Senator Ella Pollack)
Charlie Semine (Anthony Onofrio)

RECURRING CAST:

Zach Grenier (Dean Healy)

GUEST CAST:

Margo Martindale (Dr. Joanne Alaimo)
Wayne Duvall (Senator Andre Amarant)
Ito Aghayere (Veteran Sheila)
Brandon J. Dirden (Brett Middleton)
Steve Routman (FDA Commissioner Finn Babin)
Jill Abramovitz (Other Republican Senator)
Kelli Barrett (Polly Savident)

WRITTEN BY: Jacquelyn Reingold

DIRECTED BY: Allan Arkush