John F. Kennedy
Self (archive footage)

Walter Cronkite
Self - Anchor

Self - Anchor

Peter Jennings
Self - ABC News Reporter

Cyril H. Wecht
Self - MD

Self - MD

Self - MD

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

Self - General

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

Self - Texas

Mark Weiss
Self - Acoustics Expert

Aubrey Reich
Self - Mortuary Technician (archive footage)