911 Mysteries Part 1: Demolitions Online

Sofia Shafquat - Narrator (voice) , Jonathan Barnett - Self - Worcester Polytechnic Institute (as Jonathan R. Barnett Ph.D.) , Marvin Bush - Self - Principal, SECURACOM & STRATESEC (as Marvin P. Bush) (credit only) , Joe Casaliggi - Self - Engine 7 (archive footage) , Brian Clark - Self - Volunteer Fire Marshall (archive footage) , W. Gene Corley - Self - Structural Engineer, Pat Dawson - Self (archive sound) , Frank De Martini - Self - Manager, WTC Construction & Project Management (archive footage) (as Frank A. De Martini) , Thomas Eagar - Self (as Thomas W. Eagar) , Scott Forbes - Self - Senior Database Administrator, Fiduciary Trust (archive sound) , Frank W. Gayle - Self, Ramon Gilsanz - Self - Structural Engineer, James Glanz - Self - The New York Times (archive footage) , Paul Goldberger - Self - Architecture Critic, Christopher Hanley - Self (archive sound)