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

Mahalia Jackson

Herself

Gene Raymond

Don Cantwell

Kevin McCarthy

Dick Jensen

Rupert Crosse

Reporter (uncredited)

Howard K. Smith

Howard K. Smith

John Henry Faulk

Gov. T.T. Claypoole

Richard Arlen

Sen. Oscar Anderson

George Kirgo

Speechwriter

George Furth

Tom

Anne Newman Bacal

Janet (as Anne Newman)

Mary Lawrence

Mrs. Merwin

Michael MacDonald

Zealot

H.E. West

Sen. Lazarus

William R. Ebersol

Gov. John Merwin

Natalie Masters

Mrs. Anderson

Marie Blake

Cleaning Woman (as Blossom Rock)

Bill Stout

Bill Stout

Tyler McVey

Chairman

Leoda Richards

Convention Attendee (uncredited)

Sherwood Keith

Doctor

Gore Vidal

Delegate (uncredited)