When your safe has been acquired from a dubious source, you don't know the combination and then lose the key, a crisis occurs. Add to that an additional worry that somebody is trapped inside and you have a typical day at the Alcock office...
| Name | Type | Role | |
|---|---|---|---|
| Johnnie Mortimer | Writer | ||
| Brian Cooke | Writer | ||
| Norman Chappell | Guest Star | ||
| J.G. Devlin | Guest Star | ||
| Alan Tarrant | Director |