- William Colby
- Self
- Dale Andrade
- Self - Military Historian
- Zbigniew Brzezinski
- Self - Former National Security Advisor
- Corrado Cantatore
- Self - Former Division Chief, SISMI (Italian Intelligence)
- Jonathan Clarke
- Self - Senior Officer, British Intelligence
- Barbara Colby
- Self - Wife of William Colby
- Daren J. Flitcroft
- Self - Veteran, Phoenix Program, CIA
- Donald P. Gregg
- Self - Veteran, Phoenix Program, CIA
- Seymour Hersh
- Self - Journalist
- Fisher Howe
- Self - Veteran, London, OSS
- Thomas Hughes
- Self - Former Director, Intelligence and Research, State Department
- Oleg Kalugin
- Self - Former Head, U.S. Operations, KGB
- Bob Kerrey
- Self - Navy SEAL, Medal of Honor, Veteran, Phoenix Program
- John Langan
- Self - Counselor
- James Lilley
- Self - Veteran Officer, CIA
- Edward N. Luttwak
- Self - Author, Military Strategist
- Thomas F. McCoy
- Self - Veteran Officer, Rome, Madrid, CIA
- Robert McFarlane
- Self - Former National Security Advisor
- Elizabeth McIntosh
- Self - Veteran, Office of Strategic Services (OSS)
- H.R. McMaster
- Self - Counterinsurgency Advisor to General David Petraeus
- Hugh Montgomery
- Self - Veteran Officer, Berlin, Moscow, Rome, Vienna, CIA
- John Nagl
- Self - Counterinsurgency Advisor to General Petraeus
- Rufus Phillips
- Self - Veteran, Saigon Military Mission, CIA
- Walter Pincus
- Self - Journalist
- Donald Rumsfeld
- Self - Former Secretary of Defense and White House Chief of Staff
- James Schlesinger
- Self - Former Director of CIA and Secretary of Defense
- Daniel Schorr
- Self - Journalist
- Brent Scowcroft
- Self - Former National Security Advisor
- Laurence Silberman
- Self - Former Deputy U.S. Attorney General
- John Singlaub
- Self - Veteran, Office of Strategic Services (OSS)
- Barbara Pindar Smith
- Self - Exec. Secretary to William Colby, CIA
- Joseph W. Smith
- Self - Former Deputy Chief, Far East Division, CIA
- Evan Thomas
- Self - Author
- B. Hugh Tovar
- Self - Former Chief of Station, Laos, Indonesia, CIA
- William Webster
- Self - Former Director of FBI and Director of CIA
- Tim Weiner
- Self - Author
- Bob Woodward
- Self - Journalist
- Stephen B. Young
- Self - Deputy District Advisor, MACV / CORDS
- Howard Baker
- Self
- George Bush
- Self
- Frank Church
- Self
- Carl Colby
- Self
- Catherine Colby
- Self
- Alcide De Gasperi
- Self
- Ron Dellums
- Self
- Ngo Dinh Diem
- Self
- Gerald Ford
- Self
- Averell Harriman
- Self - Undersecretary of State
- John F. Kennedy
- Self
- Robert F. Kennedy
- Self
- Henry Kissinger
- Self
- Henry Cabot Lodge
- Self
- Charles Mathias
- Self
- Robert McNamara
- Self - Secretary of Defense
- Dinh Nhu Ngo
- Self
- Madame Nhu
- Self
- Richard Nixon
- Self
- Otis Pike
- Self
- Pope Pius XII
- Self
- Duc Quang
- Self
- Ronald Reagan
- Self
- Nelson Rockefeller
- Self
- Dean Rusk
- Self - Secretary of State
- Punch Sulzberger
- Self
- Stuart Symington
- Self
- Bella Abzug
- Self
- Ngoc Loan Nguyen
- Self
- Van Lem Nguyen
- Self
