Ben Ross falls to death after telling reporter Larry Christopher about an ecological association that is a fraud. Barnaby and J.R. investigate for Ross' wife. Christopher spots Ross' informer Ruth Sorrell and becomes a murder suspect when she is killed.
| Name | Type | Role | |
|---|---|---|---|
| Robert W. Lenski | Writer | ||
| Frank Maxwell | Guest Star | ||
| Joan Roberts | Guest Star | ||
| John Lehne | Guest Star | ||
| Sylvia Walden | Guest Star | ||
| Laurence Haddon | Guest Star | ||
| Robert Casper | Guest Star | ||
| John Rubinstein | Guest Star | ||
| Sally Stark | Guest Star | ||
| James York | Guest Star | ||
| Susan Sullivan | Guest Star | ||
| Robert Cleaves | Guest Star | ||
| Walter Grauman | Director |