Ballinger and M squad are called in to investigate a diamond robbery. All the evidence points to an inside job. M squad have the tough task of working out who was the inside connection.
| Name | Type | Role | |
|---|---|---|---|
| Jay D. Crowley | Writer | ||
| Fenton Earnshaw | Writer | ||
| Kevin Thomas | Writer | ||
| June Blair | Guest Star | ||
| Baily Harper | Guest Star | ||
| Charles Aidman | Guest Star | ||
| Nora Marlowe | Guest Star | ||
| Pitt Herbert | Guest Star | ||
| Robert Courtleigh | Guest Star | ||
| Boyd Holister | Guest Star | ||
| Paul Stewart | Director |