John Reed
Louise Bryant
Max Eastman
Grigory Zinoviev
Eugene O'Neill
Louis Fraina
Emma Goldman
Paul Trullinger
Speaker at Liberal Club
Mr. Partlow
Mrs. Partlow
Carl Walters
Helen Walters
Mrs. Reed
Floyd Dell
Horace Whigham
Maurice Becker
Ida Rauh
Crystal Eastman
Marjorie Jones
Jane Heap
Barney
Big Bill Haywood
Police Chief
Pinkerton Guard
Pete van Wherry
Dr. Lorber
Julius Gerber
Allan Benson
Joe Volski
Alex Gomberg
Interpreter in Factory
Vladimir I. Lenin
Leon Trotsky
Alexander Kerensky / Himself - Witness
Young Bolshevik Soldier
Senator Overman
MacAlpine
Harry
Eddie
CLP Party Member #1
CLP Party Member #2
Government Agent
State Department Official
Karl Radek
Scandinavian Escort
Finnish Doctor
Russian Nurse
Russian Doctor
Little Boy
Himself - Witness
Herself - Witness
Woman with Notebook (uncredited)
Communist Leader (uncredited)
Louise Bryant's Colleague in France (uncredited)
Dancing Woman (uncredited)
WW1 American Officer (uncredited)