Discover
Original Release
08/04/1960
Cast
| Name | Character |
|---|
| Raymond Francis | Chief Det. Supt. Tom Lockhart |
| Eric Lander | Det. Sgt. Harry Baxter |
| Julia Arnall | Lisa Kleve |
| Michael Bates | Alec Peters |
| Gwen Nelson | Madame Dousselaire |
| Toke Townley | Professor Dagleish |
| Nancy Nevinson | Marie Halloran |
| Tony Quinn | Dan Halloran |
| André Maranne | Jean Laroche |
| Anthony Sagar | Det. Insp. Thomas |
Directors
Michael Westmore, Richard Sidwell
Writers
Cast
| Name | Character |
|---|
| Raymond Francis | Chief Det. Supt. Tom Lockhart |
| Eric Lander | Det. Sgt. Harry Baxter |
| Julia Arnall | Lisa Kleve |
| Michael Bates | Alec Peters |
| Gwen Nelson | Madame Dousselaire |
| Toke Townley | Professor Dagleish |
| Nancy Nevinson | Marie Halloran |
| Tony Quinn | Dan Halloran |
| André Maranne | Jean Laroche |
| Anthony Sagar | Det. Insp. Thomas |
| Neil Wilson | Mr. Tapper |
| Nancy Seabrooke | Miss Bossom |
| Joanna Vogel | Muriel |
| Andria Lawrence | Shirley |
| Marie France | Belgian maid |
| Edward Higgins | Foreman |
| Michael Coles | Bill |
| Benny Nightingale | Man with drill |
Producers
| Name | Role |
|---|
| Ray Dicks | Producer |
