Unman, Wittering and Zigo
- Bliain: 1971
- Tír: United Kingdom
- Seánra: Mystery, Thriller, Drama, Action
- Stiúideo: Paramount Pictures, Mediarts, Hemmings
- Eochairfhocal: exploitation, based on play or musical, teacher, murder, school, death, threat, pupil, murder confession, murder play, stage thriller
- Stiúrthóir: John Mackenzie
- Caitheadh: David Hemmings, Douglas Wilmer, Tony Haygarth, Carolyn Seymour, Donald Gee, Hamilton Dyce