A middle-aged theatre manager imagines his life situation to be reflected in the wolves at the local zoo.
| Release Date | April 12, 1974 | |
|---|---|---|
| Status | Released | |
| Original Title | Wolfpen Principle | |
| Runtime | 1h 26min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | Canada | |
| Production Companies | Image Flow | |