Pretending to get the birthday present for Emily, Chuck leaves the restaurant and rings up Emily's father at the company. By computer he activates a gear that kills the man. Barnaby investigates, meets young genius Brian and learns about ""Charlie"", the computer.
| Name | Type | Role | |
|---|---|---|---|
| B.W. Sandefur | Writer | ||
| Donna Baccala | Guest Star | ||
| Ginny Golden | Guest Star | ||
| Richard Yniguez | Guest Star | ||
| John Kerr | Guest Star | ||
| Dorian Schafer | Guest Star | ||
| Arnold Turner | Guest Star | ||
| Felice Orlandi | Guest Star | ||
| Paul Sorenson | Guest Star | ||
| Don Keefer | Guest Star | ||
| Don Stroud | Guest Star | ||
| Michael Burns | Guest Star | ||
| Jenifer Shaw | Guest Star | ||
| Lou Frizzell | Guest Star | ||
| Marc Daniels | Director |