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)