Discover
Original Release
11/30/1969
US Release
11/30/1969
Cast
| Name | Character |
|---|
| Gary Conway | Capt. Steve Burton / Steve Burton |
| Don Matheson | Mark Wilson |
| Stefan Arngrim | Barry Lockridge |
| Don Marshall | Dan Erickson |
| Deanna Lund | Valerie Scott |
| Heather Young | Betty Hamilton |
| Kurt Kasznar | Alexander B. Fitzhugh |
| William Schallert | Dr. Arno |
| Sandra Giles | Dr. Greta Gault |
| Kevin Hagen |
Directors
Writers
Oliver Crawford, Bob Mitchell, Esther Mitchell
Creators
Cast
| Name | Character |
|---|
| Gary Conway | Capt. Steve Burton / Steve Burton |
| Don Matheson | Mark Wilson |
| Stefan Arngrim | Barry Lockridge |
| Don Marshall | Dan Erickson |
| Deanna Lund | Valerie Scott |
| Heather Young | Betty Hamilton |
| Kurt Kasznar | Alexander B. Fitzhugh |
| William Schallert | Dr. Arno |
| Sandra Giles | Dr. Greta Gault |
| Kevin Hagen |
Producers
| Name | Role |
|---|
| Irwin Allen | Producer |
| Bruce Fowler Jr. | Producer |
