Jack Unterweger. Jack Unterweger would have been no older than 43 in Poet of Death: Jack Unterweger as 'Self (archive footage)'.David O'Brien. David O'Brien was >> in Poet of Death: Jack Unterweger as 'Narrator (voice)'.John Leake. John Leake was >> in Poet of Death: Jack Unterweger as 'Self - Biographer'.Bianca Mrak. Bianca Mrak was >> in Poet of Death: Jack Unterweger as 'Self - Jack's Girlfriend'.Günther Nenning. Günther Nenning was 82 in Poet of Death: Jack Unterweger as 'Self - Journalist'.Gregg McCrary. Gregg McCrary was >> in Poet of Death: Jack Unterweger as 'Self - FBI Profiler'.Max Edelbacher. Max Edelbacher was >> in Poet of Death: Jack Unterweger as 'Self - Criminal Investigator'.Ernst Geiger. Ernst Geiger was >> in Poet of Death: Jack Unterweger as 'Self - Criminal Investigator'.Willi Hengstler. Willi Hengstler was >> in Poet of Death: Jack Unterweger as 'Self - Filmmaker'.Hans Lehofer. Hans Lehofer was >> in Poet of Death: Jack Unterweger as 'Self - Defense Attorney'.Jon Siskel. Jon Siskel was >> in Poet of Death: Jack Unterweger as 'Writer'