Discover
A madman intends to launch nuclear attacks on the U.S. from a network of secret underground tunnels - a scheme Kerwin Mathews must stop before it's too late.
Original Release
10/22/1967
US Release
05/15/1968
Cast
| Name | Character |
|---|
| Kerwin Mathews | Cmdr. Jonathan Shaw / Commander Jonathan Shaw |
| Viviane Ventura | Tila Yung |
| Robert Ayres | Adm. Felix Hillebrand / Admiral Felix Hillebrand |
| Peter Arne | Arnold Kramer |
| Al Mulock | Sgt. Marvin Mulberry / Sergeant Marvin Mulberry |
| Martin Benson | Gen. Chan Lu / General Chan Lu |
| Peter Elliott | Dr. Kengh Lee / Kengh Lee |
| Earl Cameron | Sgt. Seth Hawkins / Sergeant Seth Hawkins |
| John Brandon | Maj. Frank Cannon / Major Frank Cannon |
| Ed Bishop | Lt. Cmdr. Vance Cassidy (as Edward Bishop) / Lt. Cmdr. Vance Cassidy |
Directors
Writers
Cast
| Name | Character |
|---|
| Kerwin Mathews | Cmdr. Jonathan Shaw / Commander Jonathan Shaw |
| Viviane Ventura | Tila Yung |
| Robert Ayres | Adm. Felix Hillebrand / Admiral Felix Hillebrand |
| Peter Arne | Arnold Kramer |
| Al Mulock | Sgt. Marvin Mulberry / Sergeant Marvin Mulberry |
| Martin Benson | Gen. Chan Lu / General Chan Lu |
| Peter Elliott | Dr. Kengh Lee / Kengh Lee |
| Earl Cameron | Sgt. Seth Hawkins / Sergeant Seth Hawkins |
| John Brandon | Maj. Frank Cannon / Major Frank Cannon |
| Ed Bishop | Lt. Cmdr. Vance Cassidy (as Edward Bishop) / Lt. Cmdr. Vance Cassidy |
| Bill Nagy | Col. Talbot Wilson / Colonel Talbot Wilson |
| Sarah Brackett | Meg Webson |
| Paula Li Shiu | Dr. Arnn |
| David Spenser | Maj. Chai / Major Chai |
| Michael McStay | Bomb Train Commander / Train Commander |
| Carl Jaffe | Dr. Galissi |
| Norma West | Susan Kramer |
| Larry Cross | Broadcaster |
| Bessie Love | Matron |
| Bee Duffell | Matron's Friend |
Producers
| Name | Role |
|---|
| Charles F. Vetter | Executive Producer |
| Charles Reynolds | Producer |
