Discover
Original Release
10/31/1971
Cast
| Name | Character |
|---|
| Efrem Zimbalist Jr. | Lewis Erskine / Inspector Lewis Erskine |
| Philip Abbott | Arthur Ward |
| William Reynolds | Special Agent Tom Colby |
| Sharon Acker | Kate Waller |
| Joan Delaney | Lindsay Waller |
| Ivor Barry | Luther Shawn |
| Charles Robinson | Keith McKay |
| Richard Bull | Ralph Kurland |
| Eric Christmas | Tad Shayon |
| John Kroger | S.A.C. Harper |
Directors
Writers
Cast
| Name | Character |
|---|
| Efrem Zimbalist Jr. | Lewis Erskine / Inspector Lewis Erskine |
| Philip Abbott | Arthur Ward |
| William Reynolds | Special Agent Tom Colby |
| Sharon Acker | Kate Waller |
| Joan Delaney | Lindsay Waller |
| Ivor Barry | Luther Shawn |
| Charles Robinson | Keith McKay |
| Richard Bull | Ralph Kurland |
| Eric Christmas | Tad Shayon |
| John Kroger | S.A.C. Harper |
| Read Morgan | Dan Nolan |
| Harlan Warde | Dr. Keller |
| John Mayo | Cryptanalyst |
| Ray Kellogg | Guard |
| Marvin Miller | Narrator |
| Stephen Brooks | Agente especial Jim Rhodes |
| Shelly Novack | Agente especial Chris Daniels |
| Lynn Loring | Barbara Erskine |
Producers
| Name | Role |
|---|
| Quinn Martin | Executive Producer |
| Philip Saltzman | Producer |
| Adrian Samish | Producer |
| Mark Weingart | Producer |
