Characters played by Liam Neeson
Mark Felt
Characters played by Diane Lane
Audrey Felt
Characters played by Marton Csokas
L. Patrick Gray
Characters played by Tony Goldwyn
Ed Miller
Characters played by Ike Barinholtz
Angelo Lano
Characters played by Josh Lucas
Charlie Bates
Characters played by Wendi McLendon-Covey
Carol Tschudy
Characters played by Kate Walsh
Pat Miller
Characters played by Brian d'Arcy James
Robert Kunkel
Characters played by Maika Monroe
Joan Felt
Characters played by Michael C. Hall
John Dean
Characters played by Tom Sizemore
Bill Sullivan
Characters played by Julian Morris
Bob Woodward
Characters played by Bruce Greenwood
Sandy Smith
Characters played by Noah Wyle
Stan Pottinger
Characters played by Eddie Marsan
Agency Man
Characters played by Stephen Michael Ayers
John Mitchell
Characters played by Wayne Pére
John Ehrlichman
Characters played by Darryl Cox
Richard Kleindienst
Characters played by Jeff Sprauve
Undercover Agent
Characters played by Scott Poythress
Gray's Flack
Characters played by Frank Hoyt Taylor
Senator #1
Characters played by Jessica Young
Joan's Friend
Characters played by Ricky Wayne
Bill Gardner
Characters played by L. Warren Young
Juror L.
Characters played by Charles Green
Reverend
Characters played by Michael Crider
Senator #2
Characters played by Jeffrey Dezenski
FBI Director
Characters played by Kandace Howard
Waitress
Characters played by Spiro Agnew
Self
Characters played by Kathi Binkley
Tango Dancer
Characters played by Calvin Brown
Polygrapher
Characters played by Charles Casey
FBI Agent
Characters played by Dick Cavett
Self
Characters played by John Chancellor
Self
Characters played by Anthony Collins
FBI Agent
Characters played by Roy Coulter
FBI Agent
Characters played by Cowboy
FBI Agent
Characters played by Walter Cronkite
Self
Characters played by Seth Asher Dowd
FBI Special Agent
Characters played by Payson Durant
White House Staff
Characters played by Scott Everett
Gray's Flack
Characters played by Brandon Howard
Bar Patron
Characters played by Kenneth Jones
Naval Soldier
Characters played by Douglas LaPonzina
Justice Department Attorney
Characters played by Michael Layman
FBI Agent
Characters played by Todd Lee
FBI Clerk
Characters played by Lenny Lenox
FBI Agent
Characters played by Daniel Lucente
UN delegate
Characters played by Charisse Lyon
Bar Patron
Characters played by Reid Meadows
Young Mark Felt
Characters played by Anna Rose Moore
April
Characters played by Pat Nixon
Self
Characters played by Richard Nixon
Self
Characters played by Pamela Perrine
Associated Press Lee
Characters played by Harry Reasoner
Self
Characters played by Brady Rogers
FBI Agent
Characters played by Patti Schellhaas
Felt Secretary
Characters played by Blake Sewell
Associated Press
Characters played by Doug Stroup
FBI Agent
Characters played by Robbie Tickel
Father
Characters played by Wes Weems
FBI Agent