Renee Poussaint

饰：Herself - Host

Julian Bond

Julian Bond

饰：Self - Interviewee

C.T. Vivian

饰：Self - Interviewee

Frank Drake

饰：Self - Interviewee

Seth Shostak

饰：Self - Interviewee

约翰·刘易斯

John Lewis

饰：Self - Interviewee

Thomas McDonough

饰：Self - Interviewee

Alvin F. Poussaint

饰：Self - Interviewee