A violin tutor at a conservatory in San Francisco is murdered, and the suspects include an eclectic mix of talented musicians. The only clue possessed by the Chief is a message sent by the dead man to one of his students, hidden in a collection of pieces of classical music.
| Name | Type | Role | |
|---|---|---|---|
| Edward DeBlasio | Writer | ||
| Barry Higgins | Guest Star | ||
| Collin Wilcox Paxton | Guest Star | ||
| Ken Renard | Guest Star | ||
| Ricky Kelman | Guest Star | ||
| Kathleen Lloyd | Guest Star | ||
| Pamela Campbell | Guest Star | ||
| Kevin Hagen | Guest Star | ||
| Tim Matheson | Guest Star | ||
| Dita Nicole | Guest Star | ||
| Paul Koslo | Guest Star | ||
| Alf Kjellin | Director |