Idealistic young American falls under the influence of Communist agitators.
| Actor | Role |
|---|---|
 Lloyd HughesJohn King | John King |
 Barbara CastletonMay Weston | May Weston |
 Claire Du BreySophia Guerni | Sophia Guerni |
 Jack RichardsonBoris Blotchi | Boris Blotchi |
 Walt WhitmanDr. King | Dr. King |
 Louis MorrisonMichael Regan | Michael Regan |
| GGordon MullenAndrew Felton | Andrew Felton |
| TTom O'BrienBolshevik at Meeting | Bolshevik at Meeting |