Ethan Hawke
as John Brown
Joshua Johnson-Lionel
as Henry "Onion" Shackleford
Hubert Point-Du Jour
as Bob
Beau Knapp
as Owen Brown
Nick Eversman
as John Brown, Jr.
Ellar Coltrane
as Salmon Brown
Jack Alcott
as Jason Brown
Mo Brings Plenty
as Ottawa Jones
Daveed Diggs
as Frederick Douglass