Robert Redford

Narrator (voice)

Paul Pino

Self - Council Member, Laguna Pueblo

John Stein

Self - Archaeologist

Mike Marshall

Self - Archaeologist

Rich Friedman

Self - Geologist

Anna Sofaer

Self - Archaeoastronomer

Phil Tuwaletstiwa

Self - Geodesist, Hopi Tribe

Edmund J. Ladd

Self - Archaeologist, Zuni