Robin investigates a transportation tragedy when a bomb explodes on a crowded bus. The investigator faces the hostility of a farming community while investigating the blowing-up of the bus, an "accident" which he believes to have been a bizarre way of committing murder
| Name | Type | Role | |
|---|---|---|---|
| Richard L Bare | Writer | ||
| Carey Wilber | Writer | ||
| Guy Wilkerson | Guest Star | Sheriff Hoxie | |
| Stefanie Powers | Guest Star | Jennie Corbie | |
| Michael Vandever | Guest Star | Gilbert Stroud | |
| Gordon Jones | Guest Star | Nels Bergstrom | |
| Kathleen Freeman | Guest Star | Emma Stroud | |
| Louise Lorimer | Guest Star | Hilda Thorgensen | |
| William Conrad | Director |