An Echo of Theresa
- Odun: 1973
- Orilẹ-ede: United Kingdom
- Oriṣi: Mystery, Drama, TV Movie, Horror
- Situdio: Associated Television (ATV)
- Koko-ọrọ:
- Oludari: Peter Jefferies
- Simẹnti: Polly Bergen, Paul Burke, Dinsdale Landen, Basil Henson, Vernon Dobtcheff, Meriel Brook