Steve Carell as Gary Zimmer

Rose Byrne as Faith Brewster

Chris Cooper as Jack Hastings

Brent Sexton as Mayor Braun

Mackenzie Davis as Diana Hastings

Topher Grace as Kurt

Natasha Lyonne as Tina

Bill Irwin as Elton Chambers

C.J. Wilson as Dave Vanelton

Will Sasso as Big Mike

Alan Aisenberg as Evan

Kevin Maier as Councilman Jacobson

Tom Key as Councilman Pietkowski

Matt Lewis as Pearl

Vince Pisani as Kaplan

Kurt Yue as DNC Staffer

Denise Moyé as DNC Staffer

Andre Rodriguez II as DNC Staffer

Neal Reddy as DNC Staffer

Sasha Morfaw as Gary's Assistant

Kelsi Macaluso as Gary's Assistant

Will McLaughlin as Little Mike

Blake Jones as Hofbrau Waiter

William Smith as Hofbrau Bar Fly

Eve Gordon as Tonya Vanelton

Seam Fitzpatrick as Deerlaken Gary

Blair Sams as Ann

Pat Fisher as Dot

Christian Adam as Michael

Rebecca Ray as Becca

Nickolas Wolf as Phillip

Robert J. Carlton as Veteran

Ian Covell as Dan / Daniel

Gretchen Koerner as Lizzie

Russell Davis as Ziggy

Matthew Knott as Wendell

Andrea Frankle as Campaign Worker

William Tokarsky as Campaign Worker

Jason Kirkpatrick as Campaign Worker

Aaron Strand as Campaign Worker

Megan McFarland as Betsy

Christopher Hampton as Kurt's Guy

Parker Chapin as Tommy

Bruce Altman as Mr. Peeler

Debra Nelson as Townhouse Woman

Aaron Marcus as Townhouse Guest

Lisa Finlayson as Townhouse Guest

Zele Avradopoulos as Townhouse Guest

Swift Rice as Townhouse Guest

Cathy Hope as Townhouse Guest

Chelsea Banglesdorf as Townhouse Guest

Steve Barnes as Jimmy

Kathleen Hogan as Interviewer

Annie Cook as SMAW

Sandra Lee-Oian Thomas as SMAW

Jason Davis as WOMAM

Pete Burris as WOMAM

Ryan Lewis as YAWM

Jason Vendryes as YAWM

Christian Ruiz as MoSH

Katlyn Carlson as The Anchors Brooke

Desi Lydic as Fox News Anchor

Doug Trapp as Fox News Anchor

Karl Kenzler as Fox News Anchor

Richie Moriarty as MSNBC Anchor

Andrea Cirie as CNN Anchor

Brandon Rush as Talking Head

John Schmedes as Talking Head

Richard Garner as Talking Head

Amor Owens as Talking Head

Chimere Love as Talking Head

Nate Stewart as Environmentalist / Pamphleteer

Maggie Stewart as Environmentalist

Brad Lund as Local Cameraman

Candy Crowley as Self

Trevor Potter as Self

Joe Scarborough as Self

Mika Brzezinski as Self

Charlotte Deleste as Self

Eric Franke as Self

Rick Yudt as Jim Jones (uncredited)

Shane Berengue as News Crew (uncredited)

Gloria Bishop as Mike's Friend at Fish Fry (uncredited)

Andrew Blood as Jack's Body Man (uncredited)

Fred Galle as Paul Cane (uncredited)

Charles Green as Father Heuvel (uncredited)

Jennifer Hall as DC Type (uncredited)

Jen Nikolaisen as MSNBC Reporter (uncredited)

Cliff Weissman as Town Hall Moderator (uncredited)

Russ Williamson as Dart Player (uncredited)

Debra Messing as Babs Garnett (uncredited)

Robert Tinsley as Republican Consultant (uncredited)