Blackmail turns to murder and beyond.
| Name | Type | Role | |
|---|---|---|---|
| Frank Telford | Writer | ||
| Vincent Beck | Guest Star | ||
| Larry Watson | Guest Star | ||
| Peter Donat | Guest Star | ||
| Robert Boon | Guest Star | ||
| Joanna Phillips | Guest Star | ||
| Allen Joseph | Guest Star | ||
| Walt Davis | Guest Star | ||
| Eugene Peterson | Guest Star | ||
| Woodrow Parfrey | Guest Star | ||
| Paul Sorenson | Guest Star | ||
| Allison McKay | Guest Star | ||
| Jean Lebouvier | Guest Star | ||
| Armando Silvestre | Guest Star | ||
| Mike Howden | Guest Star | ||
| Stack Pierce | Guest Star | ||
| Joseph Perry | Guest Star | ||
| Vic Tayback | Guest Star | ||
| Harry Harvey Jr. | Director |