Diamond is called upon to investigate the murder of a film producer and upon arriving at the scene of the crime learns that the police have not been notified of the man's death.
| Name | Type | Role | |
|---|---|---|---|
| Sidney Michaels | Writer | ||
| Donn Mullally | Writer | ||
| Marguerite Chapman | Guest Star | ||
| Gordon Jones | Guest Star | ||
| Chet Stratton | Guest Star | ||
| Arthur Batanides | Guest Star | ||
| John Mitchum | Guest Star | ||
| Eddie Quillan | Guest Star | ||
| Bruce MacFarlane | Guest Star | ||
| Harry Raven | Guest Star | ||
| Mark Roberts | Guest Star | ||
| Richard Whorf | Director |