Wormwood

Eric Olson

Self - Frank Olson's Son

Peter Sarsgaard

Frank Olson

Molly Parker

Alice Olson

Christian Camargo

Dr. Robert Lashbrook

Tim Blake Nelson

Sidney Gottlieb

Scott Shepherd

Vin Ruwet

David Rudovsky

Self - Olson Family Attorney

William Colby

Self (archive footage)

David Kairys

Self - Olson Family Attorney

Dick Cheney

Self (archive footage)

Donald Rumsfeld

Self (archive footage)

Jack Doke

Young Eric Olson

Bob Balaban

Dr. Harold A. Abramson

Seymour Hersh

Self - Investigative Journalist

Richard Boothby

Self - Professor of Philosophy

Harry Huge

Self - Attorney

Richard Helms

Self (archive footage)

Stephen Saracco

Self - Assistant District Attorney