A couple try to leave the Communist party after a murder by the group they were once loyal to.
| Actor | Role |
|---|---|
 Robert RockwellBill Jones | Bill Jones |
 Hanna Axmann-RezzoriNina Petrovka (as Hanne Axman) | Nina Petrovka (as Hanne Axman) |
 Betty Lou GersonGreta Bloch, alias Yvonne Kraus | Greta Bloch, alias Yvonne Kraus |
 Shepard MenkenHenry Solomon | Henry Solomon |
| LLester LutherEarl Partridge | Earl Partridge |
| WWilliam LallyJack Tyler (as William J. Lally) | Jack Tyler (as William J. Lally) |
| LLloyd G. DaviesInspector O'Toole | Inspector O'Toole |
 Norman BuddReachi | Reachi |
 Leo ClearyFather O'Leary | Father O'Leary |
| KKay RiehlMrs. O'Flaherty | Mrs. O'Flaherty |
| WWilliam MartellImmigration Insp. Riggs | Immigration Insp. Riggs |
| JJames HarringtonMartin Vejac | Martin Vejac |
| DDuke WilliamsSam Wright | Sam Wright |
| NNapoleon SimpsonTom Wright | Tom Wright |
 Barbra FullerMollie O'Flaherty | Mollie O'Flaherty |
| RRobert H. PurcellSheriff of Talbot | Sheriff of Talbot |
| RRoyal RaymondBenson | Benson |
 Gregg MartellSchultz | Schultz |
| JJimmy HawkinsJimmy | Jimmy |