迈克尔·墨菲

Michael Murphy

饰：Self - Narrator,

Carol R. Byerly

饰：Self - Historian

乔什·汉弥尔顿

Josh Hamilton

William Daniel Donadio

饰：Self - Canal Worker Descendant

卡罗琳·麦柯米克

Carolyn McCormick

Julie Greene

饰：Self - Historian

Stephen Ives

Stephen Ives

饰：Self - Director

Jackson Lears

饰：Self - Historian

Marco A. Mason

饰：Self - Panamanian Council of New York

西奥多·罗斯福

Theodore Roosevelt

饰：Self,(archive footage)

Edward Tenner

饰：Self - Historian

Walter LaFeber

饰：Self - Historian

Egbert Cleveland Leslie

饰：Self - Canal Worker

Carlos E. Russell

饰：Self - Writer