Jack Unterweger
Self (archive footage)
David O'Brien
Narrator (voice)
John Leake
Self - Biographer
Bianca Mrak
Self - Jack's Girlfriend
Günther Nenning
Self - Journalist
Gregg McCrary
Self - FBI Profiler
Max Edelbacher
Self - Criminal Investigator
Ernst Geiger
Self - Criminal Investigator
Willi Hengstler
Self - Filmmaker
Hans Lehofer
Self - Defense Attorney