A man who feels trapped by his life volunteers to become an exhibit in a zoo.
| Actor | Role |
|---|---|
 Ian OgilvyJohn Cromartie | John Cromartie |
| SSarah-Jane GwillimJosephine Lackett | Josephine Lackett |
 Ronald FraserCurator | Curator |
| GGeoffrey WearingGeneral Lackett | General Lackett |
 Norman BeatonJoe Tennison | Joe Tennison |
 David BattleyCollins | Collins |
| KKeith SmithBarret | Barret |
 Edward BurnhamWollop | Wollop |
 Desmond LlewelynChairman | Chairman |
 Patsy KensitChild | Child |
 Ysanne ChurchmanMother | Mother |