Warren Beatty
Role: Joseph Frady
Paula Prentiss
Role: Lee Carter
William Daniels
Role: Austin Tucker
Walter McGinn
Role: Jack Younger
Hume Cronyn
Role: Bill Rintels
Kelly Thordsen
Role: Sheriff L.D. Wicker
Chuck Waters
Role: Thomas Richard Linder
Earl Hindman
Role: Deputy Red
William Joyce
Role: Senator Charles Carroll
Betty Murray
Role: Mrs. Charles Carroll
Bill McKinney
Role: Parallax Assassin
Jo Ann Harris
Role: Chrissy - Frady's Girl
Ted Gehring
Role: Schecter - Hotel Clerk
Lee Pulford
Role: Shirley - Salmontail Bar Girl
Doria Cook-Nelson
Role: Gale - Blond Salmontail Bar Girl
Jim Davis
Role: George Hammond
Kenneth Mars
Role: Former FBI Agent Will
William Jordan
Role: Tucker's Aide
Edward Winter
Role: Senator Jameson
Stacy Keach, Sr.
Role: Commission Spokesman #1
Ford Rainey
Role: Commission Spokesman #2
Alma Beltran
Role: Joy Holder
Richard Bull
Role: Parallax Goon
Suzanne Cohane
Role: Stewardess
Joe Di Reda
Role: Ralph Scoletta
Penelope Gillette
Role: Woman
Robert P. Lieb
Role: Senator Gillingham
William Swan
Role: Herbert Moon
John S. Ragin
Role: Buster Himan
Vernon Weddle
Role: Harry Lutz
Anthony Zerbe
Role: Prof. Nelson Schwartzkopf (uncredited)
Shirley Anthony
Role: Plane Passenger (uncredited)
Craig R. Baxley
Role: C.I.A. Agent - Top of Space Needle (uncredited)
Jack Berle
Role: Plane Passenger (uncredited)
Garrett Cassell
Role: Dopey (uncredited)
Eddie Garrett
Role: Plane Passenger (uncredited)
Dorothy Hack
Role: Plane Passenger (uncredited)
George Hickman
Role: Committee Member (uncredited)
George Hoagland
Role: Hotel Guest (uncredited)
Kathryn Janssen
Role: Woman in Building (uncredited)
Steve Kelley
Role: Class President (uncredited)
John Marlin
Role: Plane Passenger (uncredited)
Michael David McGuire
Role: Assassination Witness (uncredited)
Bill Scully
Role: Committee Member (uncredited)
George Tracy
Role: Bar Patron (uncredited)
Glenn R. Wilder
Role: Parallax Agent (uncredited)
Adolf Hitler
Role: Self (archive footage) (uncredited)
Richard Nixon
Role: Self (archive footage) (uncredited)
Lee Harvey Oswald
Role: Self (archive footage) (uncredited)
John XXIII.
Role: Self (archive footage) (uncredited)
