Unman, Wittering and Zigo
- יאָר: 1971
- לאַנד: United Kingdom
- זשאַנראַז: Mystery, Thriller, Drama, Action
- סטודיאָ: Paramount Pictures, Mediarts, Hemmings
- קיווערד: exploitation, based on play or musical, teacher, murder, school, death, threat, pupil, murder confession, murder play, stage thriller
- דירעקטאר: John Mackenzie
- געשטאַלט: David Hemmings, Douglas Wilmer, Tony Haygarth, Carolyn Seymour, Donald Gee, Hamilton Dyce