Mark Klein


Filmography

Self:
 2014 Frontline (TV Series documentary)
Self - AT&T Technician, 1981-2004 / Self - Former AT&T Technician
- United States of Secrets (Part Two): Privacy Lost (2014) ... Self - AT&T Technician, 1981-2004
- United States of Secrets (Part One): The Program (2014) ... Self - Former AT&T Technician
 2009 Nova (TV Series documentary)
Self - Former AT&T Technician
- The Spy Factory (2009) ... Self - Former AT&T Technician
 2007 Now on PBS (TV Series documentary)
Self
- Stock Alert (2007) ... Self
- For Your Eyes Only? (2007) ... Self
Archive Footage:
 2018 Quantum Earth (TV Series documentary)
Self - Witness
- Identity: The Cybertech Revolution (2018) ... Self - Witness
 2013 Terms and Conditions May Apply (Documentary)
Self - Former AT&T Technician