Clue of the Silver Key (1961)
| Release Date: | 1961, August 1 |
| Directors: | Gerard Glaister |
| Countries: | United Kingdom |
| Production: | Merton Park Studios |
| Cast: | Finlay Currie, Bernard Lee, Anthony Sharp, Clifford Earl, Jennifer Daniel, Stanley Morgan, Lyndon Brook, Patrick Cargill, Sam Kydd, John Kidd, Robert Sansom, Patricia Haines |