A racing accident lays Mannix up. While recuperating, he hears threats against him, but are they real?
| Name | Type | Role | |
|---|---|---|---|
| Chester Krumholz | Writer | ||
| Eddie Ryder | Guest Star | ||
| Charles Bateman | Guest Star | ||
| Elsa Lanchester | Guest Star | ||
| Sandy Balson | Guest Star | ||
| Mariette Hartley | Guest Star | ||
| Ron Nyman | Guest Star | ||
| Jason Evers | Guest Star | ||
| Leon Lontoc | Guest Star | ||
| Paul Krasny | Director |