Murder will out; an under-the-counter arms merchant is unmasked.
| Title | Cain's Mark |
|---|---|
| Genres | Drama Action & Adventure |
| Release Date | 1972-03-07 |
| Episode Runtime | 01 Hours 00 Minutes |
| Season Number | 1 |
| Episode Number | 23 |
| Production Companies | Quinn Martin Productions (QM) |
