Steve Carell

John du Pont

Channing Tatum

Mark Schultz

Mark Ruffalo

David Schultz

Sienna Miller

Nancy Schultz

Vanessa Redgrave

Jean du Pont

Anthony Michael Hall

Jack

Guy Boyd

Henry Beck

Brett Rice

Fred Cole

Jackson Frazer

Alexander Schultz

Samara Lee

Danielle Schultz

Francis J. Murphy III

Wayne Kendall

Jane Mowder

Rosie

David Bennett

Documentary Director

Lee Perkins

Corporal

Robert Haramia

Banquet Guest

Daniel Hilt

Roberto Garcia

Bryan Cook

Ben Langer

David Zabriskie

Dan Bane

Zach Rey

Foxcatcher Wrestler #1

Reece Humphrey

Foxcatcher Wrestler #2

J.D. Bergman

Foxcatcher Wrestler #3

Corey Jantzen

Foxcatcher Wrestler #4

Frederick Feeney

Seoul Referee

Mark Schultz

Weigh-in Official #1

Lee Kemp

Weigh-in Official #2

Jake Herbert

Mark's Opponent at Trials

Donald Modrick

Front Gate Guard

Gabrielle Burton

School Secretary

Kevin Cooke

Photographer

Richard E. Chapla Jr.

Broiler Hut Cashier

Bill Ehrin

Broiler Hut Patron

Roger Callard

Helicopter Pilot

Dan Anders

General

Barry Vlanich

D.C. Partygoer

Sam Brehm

Hank Church

Stan Dziedzic

USA Wrestling Rep #1

David Miller

USA Wrestling Rep #2

Brian Baumgartner

USA Wrestling Rep #3

Joe Russo

Olympic Trials Referee

Ken Williams

Coach Ken

Gene Mills

Worlds Referee

John C. Baxter

Worlds Announcer

Rick Steigerwald

Wexler Trainer

Marc Snider

MMA Referee

Jaz Securo

MMA Announcer

Corey Walker

MMA Backstage Official

Alan Oppenheimer

Du Pont Dynasty Narrator (voice)

Joe Fishel

Trainer

Jackson Nunn

Spectator (uncredited)