John F. Kennedy

Self (archive footage)

Walter Cronkite

Self - Anchor, CBS News (voice) (archive sound)

Peter Jennings

Self - ABC News Reporter

Cyril Wecht

Self - MD, JD, President of Academy of Forensic Sciences

Robert McClelland

Self - Medical Doctor

Marion Jenkins

Self - Medical Doctor

Richard Dulany

Self - Medical Doctor

Charles J. Carrico

Self - Medical Doctor (archive footage)

G. Robert Blakey

Self - Chief Counsel for the House Assassinations Committee

Richard Bissell

Self - CIA Director of Operations (archive footage)

Charles Cabell

Self - General, CIA Deputy Director (archive footage)

Richard M. Bissell Jr.

Self - CIA Deputy Director for Plans (archive footage)

Ramon Rodriguez

Self - CIA Covert Operations (archive footage)

Allen Dulles

Self - CIA Director (archive footage)

William Colby

Self - CIA Director (voice) (archive sound)

Guy Bannister

Self - FBI Chicago Chief (archive footage)

John Connally

Self - Governor of Texas (archive footage)

Waggoner Carr

Self - Texas, Attorney General (archive footage)

Mark Weiss

Self - Acoustics Expert

Aubrey Reich

Self - Mortuary Technician (archive footage)

Aubrey Rike

Self - Ambulance Attendant, Parkland Hospital

Andrey Bill

Self - Parkland Hospital Nurse (archive footage)

George P. Bush

Self - Co-director of Union Banking Co. (archive footage)

Eric Hamburg

Self - Author (archive footage)

Jack Ruby

Self - Former Associate of Richard Nixon (archive footage)

George H. W. Bush

Self (archive footage)

Dwight D. Eisenhower

Self (archive footage)

John Hankey

Narrator (voice)