Cold Turkey

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

Hubert H. Humphrey

Self (archive footage)

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)