Henry Fonda

William Russell

Cliff Robertson

Joe Cantwell

Edie Adams

Mabel Cantwell

Margaret Leighton

Alice Russell

Shelley Berman

Sheldon Bascomb

Lee Tracy

President Art Hockstader

Ann Sothern

Sue Ellen Gamadge

Gene Raymond

Don Cantwell

Kevin McCarthy

Dick Jensen

Mahalia Jackson

Mahalia Jackson

Howard K. Smith

Howard K. Smith

Richard Arlen

Sen. Oscar Anderson

Penny Singleton

Mrs. Claypoole (scenes deleted)

George Furth

Tom

Mary Lawrence

Mrs. Merwin

Marie Blake

Cleaning Woman

Tyler McVey

Chairman

Sherwood Keith

Doctor

Leoda Richards

Cantwell Supporter (uncredited)

Gore Vidal

Delegate (uncredited)

Fred Aldrich

Delegate (uncredited)

Billy Beck

Party Guest (uncredited)

Noble 'Kid' Chissell

Man at Pool (uncredited)

Rupert Crosse

Reporter (uncredited)

Joi Lansing

Girl At Pool (uncredited)

William Henry

Reporter (uncredited)

Shep Houghton

Reporter (uncredited)

Eugene Jackson

Delegate (uncredited)

James Jeter

Mayor (uncredited)

Kenner G. Kemp

Reporter (uncredited)

Colin Kenny

Man at Pool (uncredited)

Mathew McCue

Man at Delegation (uncredited)

Byron Morrow

Master of Ceremonies at Banquet (uncredited)

Monty O'Grady

Man at Pool (uncredited)

Kenneth Patterson

Delegate (uncredited)

Barbara Pepper

Delegate (uncredited)

Gene Roth

Pennsylvania Delegate (uncredited)

Mark Russell

Campaign Worker (uncredited)

Cosmo Sardo

Banquet Guest (uncredited)

Stephen Soldi

Delegate (uncredited)

Ted Stanhope

Governor (uncredited)

Sara Taft

Mrs. Cantwell, Joe's Mother (uncredited)

Arthur Tovey

Cantwell Supporter (uncredited)

Howard Wright

New York Delegate (uncredited)