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