Channing Tatum
Mark Schultz
Mark Ruffalo
David Schultz
Sienna Miller
Nancy Schultz
Vanessa Redgrave
Jean du Pont
Jackson Frazer
Alexander Schultz
Samara Lee
Danielle Schultz
Francis J. Murphy III
Wayne Kendall
David Bennett
Documentary Director
Robert Haramia
Banquet Guest
Daniel Hilt
Roberto Garcia
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
Richard E. Chapla Jr.
Broiler Hut Cashier
Bill Ehrin
Broiler Hut Patron
Roger Callard
Helicopter Pilot
Barry Vlanich
D.C. Partygoer
Stan Dziedzic
USA Wrestling Rep #1
David Miller
USA Wrestling Rep #2
Brian Baumgartner
USA Wrestling Rep #3
Joe Russo
Olympic Trials Referee
John C. Baxter
Worlds Announcer
Rick Steigerwald
Wexler Trainer
Corey Walker
MMA Backstage Official
Alan Oppenheimer
Du Pont Dynasty Narrator (voice)
Jackson Nunn
Spectator (uncredited)