Capt. Nikolai Shumkov
Himself - Capt. Nikolai Shumkov
Capt. Ryurik Ketov
Himself - Capt. Ryurik Ketov
Theodore Sorensen
Himself - Theodore Sorensen, Special Counsel to the President
Dino A. Brugioni
Himself - Dino A. Brugioni, CIA Analyst
Robert McNamara
Himself - Robert McNamara, Secretary of Defense 1961-1968
Rudolph Rump
Himself - Rudolph Rump, Radar Man, USS Blandy
Capt. Charles Rozier
Himself - Capt. Charles Rozier, USS Cecil
Capt. Alexi Dubivko
Himself - Capt. Alexi Dubivko
Robert J. Tavenor
Chief Petty Officer
Mike Vardy
Ketov (uncredited)