Joe Morton

Narrator (voice)

Ruth Gruber

Self - Journalist

Charles Hendricks

Self - Military Historian

Heath Twichell

Self - Historian

William Griggs

Self - Army Engineer

Billy Connor

Self - Civil Engineer

Hayward Oubre

Self - Army Engineer

John Bollin

Self - Army Engineer

Henry Geyer

Self - Army Engineer

Fred Mims

Self - Quartermaster Corps

Alden Hacker

Self - Army Engineer

Bob Trail

Self - Canadian Resident

Alice Summer

Self - Canadian Resident

Alvin Schexnider

Self - Historian

Wallace Lytle

Self - Army Engineer

Tracy Heather Strain