| Director | Sidney Lumet |
|---|---|
| Genre | drama film, prison film |
| Runtime | 123 min |
| Country | United Kingdom, United States |
| Budget | $2.5 million |
| Box office | $4.3 million |
In a British Army "glasshouse" (military prison) in the Libyan desert, prisoners convicted of service offences such as insubordination, being drunk while on duty, going AWOL or petty theft are subjected to repetitive drill routines as a punishment in the blazing desert heat.