Robert Vaughn
Glen Manning
Acting
Merrie Lynn Ross
April Adams
Acting
Keenan Wynn
U.S. Secretary of Defense
Acting
Aldo Ray
Karl Krauss
Acting
Victoria Carroll
Secretary Julie Simmons
Acting
Kiều Chinh
Major Chinn Lee
Acting
Glenn Ransom
Bernard Vogel
Acting
Lynn Cartwright
Assistant Brunner
Acting
Corinne Cole
Greta
Acting
Carol Terry
Captive
Acting
Leo Gordon
C.I.A. Chief Al Norris (uncredited)
Acting