A series of cleverly orchestrated crimes in a section of San Francisco leads the Chief to the conclusion that a pair of bored society beaux have turned the city into a giant chessboard, and are playing a game with the citizens as their chess pieces.
| Name | Type | Role | |
|---|---|---|---|
| Max Hodge | Writer | ||
| Scott Marlowe | Guest Star | ||
| Noel Harrison | Guest Star | ||
| Kathleen King | Guest Star | ||
| Conlan Carter | Guest Star | ||
| Michele Nichols | Guest Star | ||
| Robert De Anda | Guest Star | ||
| Sondra Currie | Guest Star | ||
| Johnny Silver | Guest Star | ||
| Cosmo Sardo | Guest Star | ||
| Don Weis | Director |