Reagan, Ronald -- President of the United States who approved broad policy to sell arms to Iran in an attempt to gain better relations; says he knew nothing of diversion of funds to Contras.
Reagan, Nancy -- First lady, who has denied reports she would like to see key White House aides, including Donald Regan, fired to help protect the president and end Iran arms-Contra aid scandal.
Regan, Donald -- White House chief of staff who White House sources tell United Press International was aware of development of and approved Iran arms-Contra connection; Regan denies report.
Casey, William -- CIA director, who has testified he got first hints of the Iran arms-Contra aid story seven weeks before it was revealed by Attorney General Edwin Meese Nov. 25.
Furmark, Roy -- New York energy consultant and businessman, once involved in a business venture with Saudi billionaire Adnan Khashoggi; former legal client of Casey, who CIA director says first told him of possible diversion of arms sales profits.
McFarlane, Robert -- Former national security advisor who resigned Dec. 4, 1985, but made secret trip to Iran in May 1986 with arms delivery.
Meese, Edwin -- Attorney general, requesting special prosecutor in Iran arms case, first disclosed Iran arms-Contra aid connection Nov. 25, 1986.
North, Oliver -- Dismissed National Security Council deputy and Marine lieutenant colonel reportedly the architect of plan to transfer Iran arms sales money to Contras through Swiss bank accounts.
Poindexter, John -- Vice admiral who resigned Nov. 25 as head of the National Security Councwho has said he knew in general of transfer of money from Iran arms sale to Contras.
Secord, Richard -- former top Pentagon official to Middle East; retired from Air Force as major general. President of a defense technologies firm, Stanford Technology Trading Group International; longtime acquaintance of North; long career of clandestine work. Linked to nearly every phase of diversion of Iran arms sale profits to Contras.
Shultz, George -- Secretary of state, who said he knew nothing of the Contra connection and opposed selling arms to Iran. Washington insiders
Buchanan, Patrick -- White House communications director who in a Dec. 8, 1986, opinion page article in The Washington Post offered staunch defense of Reagan, blasted Republicans for not defending president.
Carlucci, Frank -- President of Sears World Trade Inc., tapped by Reagan to be new national security adviser, replacing Poindexter. Diplomats
Kelly, John -- Ambassador to Lebanon, recalled Dec. 8 to explain why he bypassed Shultz to communicate about hostages with Secord and North.
Ransom, David -- Ranking Foreign Service officer in the U.S. Embassy in Damascus, Syria, recalled Dec. 10 to tell what he knew of the Iran arms deal.
Whittlesey, Faith -- U.S. ambassador to Switzerland, where money from Iran arms sales allegedly was diverted by Oliver North; received several calls from North while he was at the National Security Council. Iranian officials, hostages and arms dealers
Allen, James -- Retired general, head of International Planning and Analysis Center Inc., consulting subsidiary of Sears World Trade that may have provided advice to companies on selling military equipment.
Armitage, Richard -- Assistant secretary of defense responsible for international security affairs.
Buckley, William -- CIA station chief in Beriut, Lebanon; kidnapped and reported by Islamic Jihad to have been killed in October 1985.
Cicippio, Joseph -- Abducted Sept. 12, 1986, in West Beirut.
Earl, Lt. Col. Robert -- National Security Council officer who refused to testify before Congress, citing Fifth Amendnent rights.
Evans, Samuel -- Adnan Khashoggi's London lawyer.
Fraser, Donald -- Canadian accountant-developer being investigated by Royal Canadian Mounted Police in connection to Iran arms deal; in business with Saudi amrs dealer Adnan Khashoggi in Vancouver high-tech firm of Skyhigh Resources Ltd.
Ghorbanifar, Manucher -- Exiled Iranian arms merchant, now living in France, reported to have raised the issue of trading money or arms to Iran for hostages.
Hashemi, Cyrus -- Iranian arms dealer who was target of New York FBI 'sting' operation in which 17 people have been charged with selling arms to Iran. He later started helping the FBI but died under mysterious circumstances before he could testify.
Jacobsen, David -- American hostage freed Nov. 2, 1986, in Beirut.
Jenco, Lawrence -- American hostage freed July 26, 1986, in Beirut.
Khomeini, Ayatolla Ruhollah -- leader of Iran.
Khashoggi, Adnan -- Saudi billionaire businessman and arms merchant.
Khan, Timothy Arjund -- Canadian businessman connected to Saudi arms dealer Adnan Khashoggi through Vancouver firm of Skyhigh Resources Ltd.
Kimche, David -- Former director general of Israel's foreign ministry who met with arms dealers and McFarlane.
Ledeen, Michael -- American consultant to the National Security Council, on staff of Georgetown University's Center for Strategic and International Studies; reported to have met with Israelis to discuss possible Iran deals.
Miller, Ernest -- Canadian real estate developer being investigated by Royal Canadian Mounted Police in Iran arms deal.
Nir, Amiran -- Former Israeli broadcaster, advisor to Israeli Prime Minister Shimon Peres on terrorism.