![Capt. Nikolai Shumkov]()
Capt. Nikolai Shumkov
Himself - Capt. Nikolai Shumkov
Acting
![Capt. Ryurik Ketov]()
Capt. Ryurik Ketov
Himself - Capt. Ryurik Ketov
Acting
![Theodore Sorensen]()
Theodore Sorensen
Himself - Theodore Sorensen, Special Counsel to the President
Acting
![Dino A. Brugioni]()
Dino A. Brugioni
Himself - Dino A. Brugioni, CIA Analyst
Acting

Robert McNamara
Himself - Robert McNamara, Secretary of Defense 1961-1968
Acting
![Rudolph Rump]()
Rudolph Rump
Himself - Rudolph Rump, Radar Man, USS Blandy
Acting
![Capt. Charles Rozier]()
Capt. Charles Rozier
Himself - Capt. Charles Rozier, USS Cecil
Acting
![Capt. Alexi Dubivko]()
Capt. Alexi Dubivko
Himself - Capt. Alexi Dubivko
Acting

Robert J. Tavenor
Chief Petty Officer
Acting
![Mike Vardy]()
Mike Vardy
Ketov (uncredited)
Directing