Steve Carell

Gary Zimmer

Rose Byrne

Faith Brewster

Chris Cooper

Jack Hastings

Brent Sexton

Mayor Braun

Mackenzie Davis

Diana Hastings

Topher Grace

Kurt

Natasha Lyonne

Tina

Bill Irwin

Elton Chambers

C.J. Wilson

Dave Vanelton

Will Sasso

Big Mike

Alan Aisenberg

Evan

Matt Lewis

Pearl

Vince Pisani

Kaplan

Kurt Yue

DNC Staffer

Sasha Morfaw

Gary's Assistant

Will McLaughlin

Little Mike

William Smith

Hofbrau Bar Fly

Eve Gordon

Tonya Vanelton

Blair Sams

Ann

Christian Adam

Michael

Rebecca Ray

Becca

Gretchen Koerner

Lizzie

Andrea Frankle

Campaign Worker

William Tokarsky

Campaign Worker

Jason Kirkpatrick

Campaign Worker

Bruce Altman

Mr. Peeler

Zele Avradopoulos

Townhouse Guest

Annie Cook

SMAW

Jason Davis

WOMAM

Pete Burris

WOMAM

Katlyn Carlson

The Anchors Brooke

Desi Lydic

Fox News Anchor

Richie Moriarty

MSNBC Anchor

Andrea Cirie

CNN Anchor

Brandon Rush

Talking Head

Amor Owens

Talking Head

Joe Scarborough

Self

Mika Brzezinski

Self

Charles Green

Father Heuvel (uncredited)

Jennifer Hall

DC Type (uncredited)

Jen Nikolaisen

MSNBC Reporter (uncredited)

Debra Messing

Babs Garnett (uncredited)