Discover
Original Release
11/28/1971
Cast
| Name | Character |
|---|
| Efrem Zimbalist Jr. | Lewis Erskine / Inspector Lewis Erskine |
| Philip Abbott | Arthur Ward |
| Lou Antonio | Arlen Parent |
| Michael Baseleon | William Blacklion |
| Marj Dusay | Marilyn Wade |
| Dana Elcar | Ewing Carter |
| Craig Guenther | SAC Allen Bennett |
| Richard Hale | John Run |
| Douglas Henderson | Thurman |
| Robert Knapp | Lee Amboy |
Directors
Writers
Cast
| Name | Character |
|---|
| Efrem Zimbalist Jr. | Lewis Erskine / Inspector Lewis Erskine |
| Philip Abbott | Arthur Ward |
| Lou Antonio | Arlen Parent |
| Michael Baseleon | William Blacklion |
| Marj Dusay | Marilyn Wade |
| Dana Elcar | Ewing Carter |
| Craig Guenther | SAC Allen Bennett |
| Richard Hale | John Run |
| Douglas Henderson | Thurman |
| Robert Knapp | Lee Amboy |
| Colin Male | Dr. Furness |
| Richard Merrifield | Sergeant |
| William Reynolds | Special Agent Tom Colby |
| Wayne Rogers | Jim Wade |
| Artie Spain | First Miner |
| Bard Stevens | Chris |
| Garrison True | George Harris |
| Marvin Miller | Narrator |
| Stephen Brooks | Agente especial Jim Rhodes |
| Shelly Novack | Agente especial Chris Daniels |
Producers
| Name | Role |
|---|
| Quinn Martin | Executive Producer |
| Philip Saltzman | Producer |
| Adrian Samish | Producer |
| Mark Weingart | Producer |
