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

Richard Arlen

Sen. Oscar Anderson

Penny Singleton

Mrs. Claypoole (scenes deleted)

George Furth

Tom

Mary Lawrence

Mrs. Merwin

Marie Blake

Cleaning Woman (as Blossom Rock)

Tyler McVey

Chairman

Sherwood Keith

Doctor

Leoda Richards

Convention Attendee (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)