A scientist devoted to saving lives is faced with a difficult decision: he may be forced to kill in order to prevent a state-wide livestock epidemic.
| Name | Type | Role | |
|---|---|---|---|
| John Jacobs | Writer | ||
| Malvin Wald | Writer | ||
| Kathryn Card | Guest Star | ||
| Chick Chandler | Guest Star | ||
| Robert Shayne | Guest Star | ||
| Emlen Davies | Guest Star | ||
| Wilfred Knapp | Guest Star | ||
| Walter Baldwin | Guest Star | ||
| Lew Ayres | Guest Star | ||
| Damian O'Flynn | Guest Star | ||
| Ray Teal | Guest Star | ||
| Wallace Ford | Guest Star | ||
| William Dieterle | Director | ||
| Malvin Wald | Director | ||
| John Jacobs | Director |