A young man's former girlfriend comes to him for help; her husband, a famous pianist, is being terrorized by an unknown being - is it a dead rival, secretly alive, or is it something much more grotesque.
| Name | Type | Role | |
|---|---|---|---|
| Alan Caillou | Writer | ||
| Monica Henreid | Guest Star | ||
| Reggie Nalder | Guest Star | ||
| Hazel Court | Guest Star | ||
| Guy Rolfe | Guest Star | ||
| Vladimir Sokoloff | Guest Star | ||
| George Kane | Guest Star | ||
| Linda Watkins | Guest Star | ||
| John Craven | Guest Star | ||
| Bernard Fein | Guest Star | ||
| Charles Aidman | Guest Star | ||
| Paul Henreid | Director |