Birgitta Assheuer
Self - Narrator (voice)

T. C. Boyle
Self - Writer

Vernon D. Swaback
Self - Wright's Former Disciple

David Bagnall
Self - Frank Lloyd Wright Trust Curator

Eric Lloyd Wright
Self - Wright's Grandson

Keiran Murphy
Self - Art Historian

Ron McCrea
Self - Wright's Biographer

Minerva Montooth
Self - Wright's Assistant

Anthony Alofsin
Self - Wright's Biographer

Scott Perkins
Self - Fallingwater House Curator

Jeff Goodman
Self - Frank Lloyd Wright Foundation Member

Frank Lloyd Wright
Self - Architect (archive footage)

Mike Wallace
Self - Interviewer (1957) (archive footage)

John Charles Daly
Self - TV Host (archive footage)

Edgar Kaufmann Sr.
Self - Businessman (archive footage)

Olgivanna Lloyd Wright
Self - Wright's 3rd Wife (archive footage)

Hilla von Rebay
Self - Guggenheim Museum Director (archive footage)