Cary Elwes

as John P. Jones (voice)

Sam Elliott

as Ward Hill Lamon (voice)

Neal McDonough

as Charles Sumner (voice)

Dermot Mulroney

as Andrew Curtin (voice)

Matthew Broderick

as Reader

William Fichtner

as John G. Nicolay (voice)

Michael C. Hall

as Leonard Swett (voice)

Keith David

as Frederick Douglass (voice)