Richard Anderson

Col. Murdock

Ava Gardner

Eleanor Holbrook

Burt Lancaster

Gen. James Mattoon Scott

Martin Balsam

Paul Girard

John Alban

Party Guest (uncredited)

Walter Bacon

Reporter (uncredited)

John Frankenheimer

Director

Whit Bissell

Sen. Frederick Prentice

Jack Berle

Reporter (uncredited)

Andrew Duggan

Col. William "Mutt" Henderson

Fredric March

President Jordan Lyman

Al Bain

Reporter (uncredited)

Kirk Douglas

Col. Martin "Jiggs" Casey

Edmond O'Brien

Sen. Raymond Clark

William Challee

Gen. Riley (uncredited)

John Barton

Reporter (uncredited)

Bill Baldwin

Announcer (voice) (uncredited)

Hugh Marlowe

Harold McPherson

Helen Kleeb

Esther Townsend

George Macready

Christopher Todd

Bart Burns

Secret Service White House Chief Art Corwin

Monya Andre

Party Guest (uncredited)

Malcolm Atterbury

Horace the White House Physician (uncredited)

Robert Brubaker

Gen. Diefenbach (uncredited)

Dick Cherney

Reporter (uncredited)