Trapped in a mine filling with deadly gas, Lois Lane is beyond the reach of rescuers -- and Clark Kent doesn't know!
| Name | Type | Role | |
|---|---|---|---|
| Monroe Manning | Writer | ||
| Ray Bennett | Guest Star | ||
| Edmund Cobb | Guest Star | ||
| Milton Kibbee | Guest Star | ||
| Houseley Stevenson | Guest Star | ||
| Fred Sherman | Guest Star | ||
| Thomas Carr | Director |