Sidney Lumet

Director

Henry Fonda

The President

Walter Matthau

Prof. Groeteschele

Fritz Weaver

Col. Cascio

Larry Hagman

Buck

Frank Overton

Gen. Bogan

Edward Binns

Col. Jack Grady

Dan O'Herlihy

Brig. Gen. Warren A. Black

William Hansen

Defense Secretary Swenson

Russell Hardie

Gen. Stark

Janet Ward

Helen Grady