Dick Van Dyke
Rev. Clayton Brooks
Pippa Scott
Natalie Brooks
Tom Poston
Mr. Stopworth
Edward Everett Horton
Hiram C. Grayson
Bob Elliott
Hugh Upson / David Chetley / Sandy Van Andy
Vincent Gardenia
Mayor Wappler
Barnard Hughes
Dr. Proctor
Graham Jarvis
Amos Bush
Jean Stapleton
Mrs. Wappler
Paul Benedict
Zen Buddhist
Judith Lowry
Odie Turman
Bob Newhart
Merwin Wren
Pat Nixon
Self (archive footage)
Richard Nixon
Self (archive footage)
Ronald Reagan
Self (archive footage)
Spiro Agnew
Self (archive footage)
Barbara Cason
Letitia Hornsby
Sudie Bond
Cissy
Helen Page Camp
Mrs. Watson
Simon Scott
Mr. Kandiss
Raymond Kark
Homer Watson
Peggy Rea
Mrs. Proctor
Woodrow Parfrey
Tobacco Executive
George Mann
Bishop Manley
Charles Pinney
Col. Galloway
M. Emmet Walsh
Art
Gloria LeRoy
The Hooker
Eric Boles
Dennis
Jack Grimes
TV Stage Manager
Walter Sande
Tobacco Executive
Harvey Jason
Hypnotist
Robert Christopher
Television Director (uncredited)
Murray Cline
Milkman (uncredited)
Michael Cornelison
Protester (uncredited)
Stan Gottlieb
Man on Operating Table (uncredited)
Ray Goulding
Walter Chronic / Paul Hardly / Arthur Lordly (uncredited)
Lynn Guthrie
Townsman (uncredited)
Hubert H. Humphrey
Self (archive footage) (uncredited)
Ted Knight
Mr. Slick (uncredited)
Norman Lear
Crying Man (uncredited)
Maureen McCormick
Talking Doll (voice) (uncredited)
Burt Prelutsky
Tourist Asking for Directions (uncredited)
Mrs. Burt Prelutsky
Tourist's Wife (uncredited)
Charles White
Senator Sildge (uncredited)
Jerry Whittington
Wilber Scott (uncredited)
Glenn Yarbrough
Working Stiff (uncredited)
Louis Zorich
Douglas Truesdale (uncredited)